WezTerm Icon WezTerm is a GPU-accelerated cross-platform terminal emulator and multiplexer written by @wez and implemented in Rust

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Features

Looking for a configuration reference?

These docs are searchable: press S or click on the magnifying glass icon to activate the search function!

Screenshot

Screenshot of wezterm on macOS, running vim

WezTerm is available pre-built for the major platforms and, because it is open source, you may also build it for yourself.

Installing on Windows

64-bit Windows 10.0.17763 or later is required to run WezTerm; running on earlier versions of Windows is not possible, as WezTerm requires Pseudo Console support that was first released in Windows 10.0.17763.

You can download a setup.exe style installer to guide the installation (requires admin privileges) or a simple zip file and manage the files for yourself (no special privileges required).

Windows (setup.exe) Nightly Windows (setup.exe)

WezTerm is available in a setup.exe style installer; the installer is produced with Inno Setup and will install wezterm to your program files directory and register that location in your PATH environment. The installer can be run as a GUI to guide you through the install, but also offers the standard Inno Setup command line options to configure/script the installation process.

Windows (zip) Nightly Windows (zip)

WezTerm is also available in a simple zip file that can be extracted and run from anywhere, including a flash drive for a portable/relocatable installation.

  1. Download Release
  2. Extract the zipfile and double-click wezterm.exe to run the UI
  3. Configuration instructions can be found here

For winget users

If you prefer to use the command line to manage installing software, then you may wish to try winget. winget is installed as part of the App Installer that is available from the Microsoft Store.

Once you have winget, you can install wezterm like so:

winget install wez.wezterm

and to later upgrade it:

winget upgrade wez.wezterm

For Scoop users

Another option if you prefer to use the command line to manage installing software, is Scoop.

Wezterm is available from the "Extras" bucket and once you have installed scoop itself can be installed like so:

scoop bucket add extras
scoop install wezterm

For Chocolatey users

If you prefer to use Chocolatey to manage software, wezterm is availabe from the Community Repository. It can be installed like so:

choco install wezterm -y

Installing on macOS

The CI system builds the package on macOS Big Sur and should run on systems as "old" as Mojave. It may run on earlier versions of macOS, but that has not been tested.

Starting with version 20210203-095643-70a364eb, WezTerm is a Universal binary with support for both Apple Silicon and Intel hardware.

Download for macOS Nightly for macOS

  1. Download Release
  2. Extract the zipfile and drag the WezTerm.app bundle to your Applications folder
  3. First time around, you may need to right click and select Open to allow launching the application that your just downloaded from the internet.
  4. Subsequently, a simple double-click will launch the UI
  5. Configuration instructions can be found here

Homebrew

WezTerm is available for brew users in a tap:

$ brew tap wez/wezterm
$ brew install --cask wez/wezterm/wezterm

If you'd like to use a nightly build:

$ brew install --cask wez/wezterm/wezterm-nightly

to upgrade to a newer nightly (normal brew upgrade will not upgrade it!):

$ brew upgrade --cask wezterm-nightly --no-quarantine --greedy-latest

MacPorts

WezTerm is also available via MacPorts:

$ sudo port selfupdate
$ sudo port install wezterm

Installing on Linux using AppImage

WezTerm is available in AppImage format; a self-contained single file that doesn't require installation or any special privileges to run, and that is compatible with a wide range of Linux distributions.

Download and make the file executable and you're ready to run!

AppImage Nightly AppImage

curl -LO https://github.com/wez/wezterm/releases/download/20220624-141144-bd1b7c5d/WezTerm-20220624-141144-bd1b7c5d-Ubuntu18.04.AppImage
chmod +x WezTerm-20220624-141144-bd1b7c5d-Ubuntu18.04.AppImage

You may then execute the appimage directly to launch wezterm, with no specific installation steps required:

./WezTerm-20220624-141144-bd1b7c5d-Ubuntu18.04.AppImage

That said, you may wish to make it a bit more convenient:

mkdir ~/bin
mv ./WezTerm-20220624-141144-bd1b7c5d-Ubuntu18.04.AppImage ~/bin/wezterm
~/bin/wezterm

Installing on Ubuntu and Debian-based Systems

The CI system builds .deb files for a variety of Ubuntu and Debian distributions. These are often compatible with other Debian style systems; if you don't find one that exactly matches your system you can try installing one from an older version of your distribution, or use one of the Debian packages linked below. Failing that, you can try the AppImage download which should work on most Linux systems.

DistroStableNightly
Ubuntu18wezterm-20220624-141144-bd1b7c5d.Ubuntu18.04.debwezterm-nightly.Ubuntu18.04.deb
Ubuntu20wezterm-20220624-141144-bd1b7c5d.Ubuntu20.04.debwezterm-nightly.Ubuntu20.04.deb
Ubuntu22wezterm-20220624-141144-bd1b7c5d.Ubuntu22.04.debwezterm-nightly.Ubuntu22.04.deb
Debian9wezterm-20220624-141144-bd1b7c5d.Debian9.12.debNo longer supported
Debian10wezterm-20220624-141144-bd1b7c5d.Debian10.debwezterm-nightly.Debian10.deb
Debian11wezterm-20220624-141144-bd1b7c5d.Debian11.debwezterm-nightly.Debian11.deb

To download and install from the CLI, you can use something like this, which shows how to install the Ubuntu 20 package:

curl -LO https://github.com/wez/wezterm/releases/download/20220624-141144-bd1b7c5d/wezterm-20220624-141144-bd1b7c5d.Ubuntu20.04.deb
sudo apt install -y ./wezterm-20220624-141144-bd1b7c5d.Ubuntu20.04.deb
  • The package installs /usr/bin/wezterm and /usr/share/applications/org.wezfurlong.wezterm.desktop
  • Configuration instructions can be found here

Installing on Fedora and rpm-based Systems

The CI system builds .rpm files on CentOS, Fedora and openSUSE systems. These are likely compatible with other rpm-based distributions. Alternatively, you can try the AppImage download with should work on most Linux systems.

DistroStableNightly
CentOS7wezterm-20220624_141144_bd1b7c5d-1.el7.x86_64.rpmwezterm-nightly-centos7.rpm
CentOS8wezterm-20220624_141144_bd1b7c5d-1.el8.x86_64.rpmwezterm-nightly-centos8.rpm
CentOS9wezterm-20220624_141144_bd1b7c5d-1.el9.x86_64.rpmwezterm-nightly-centos9.rpm
Fedora33wezterm-20220624_141144_bd1b7c5d-1.fc33.x86_64.rpmwezterm-nightly-fedora33.rpm
Fedora34wezterm-20220624_141144_bd1b7c5d-1.fc34.x86_64.rpmwezterm-nightly-fedora34.rpm
Fedora35wezterm-20220624_141144_bd1b7c5d-1.fc35.x86_64.rpmwezterm-nightly-fedora35.rpm
Fedora36wezterm-20220624_141144_bd1b7c5d-1.fc36.x86_64.rpmwezterm-nightly-fedora36.rpm
openSUSE LeapNighty builds onlywezterm-nightly-opensuse_leap.rpm
openSUSE TumbleweedNighty builds onlywezterm-nightly-opensuse_tumbleweed.rpm

To download and install from the CLI you can use something like this, which shows how to install the Fedora 35 package:

sudo dnf install -y https://github.com/wez/wezterm/releases/download/20220624-141144-bd1b7c5d/wezterm-20220624_141144_bd1b7c5d-1.fc35.x86_64.rpm

WezTerm is also available in the official Factory repo in openSUSE Tumbleweed. To install from Factory instead from the rpm provided by WezTerm's Github repository, you can use Yast. If you prefer the CLI, you can install it as root user with

zypper addrepo https://download.opensuse.org/repositories/openSUSE:Factory/standard/openSUSE:Factory.repo
zypper refresh
zypper install wezterm
  • The package installs /usr/bin/wezterm and /usr/share/applications/org.wezfurlong.wezterm.desktop
  • Configuration instructions can be found here

Arch Linux

WezTerm is available in the Community repository.

The version available in the community repository may lag behind the latest wezterm release, so you may wish to use one of these AUR options:

WhatWhere
Nightly Binarieshttps://aur.archlinux.org/packages/wezterm-nightly-bin/
Build from sourcehttps://aur.archlinux.org/packages/wezterm-git/

Alpine Linux

APKs are built out from the main branch.

VersionStableNightly
3.12wezterm-nightly-alpine3.12.apk.sha256
3.13wezterm-nightly-alpine3.13.apk.sha256
3.14wezterm-nightly-alpine3.14.apk.sha256
3.15wezterm-nightly-alpine3.15.apk.sha256

Linuxbrew Tap

If you are a Linuxbrew user, you can install wezterm from our tap:

$ brew tap wez/wezterm-linuxbrew
$ brew install wezterm

If you'd like to use a nightly build you can perform a head install:

$ brew install --HEAD wezterm

to upgrade to a newer nightly, it is simplest to remove then install:

$ brew rm wezterm
$ brew install --HEAD wezterm

Raw Linux Binary

Another option for linux is a raw binary archive. These are the same binaries that are built for Ubuntu but provided in a tarball.

Download raw Linux binaries Nightly raw Linux binaries

Installing on FreeBSD

WezTerm is available via the ports system.

The most common FreeBSD architectures have pre-built binaries which you can install via:

$ pkg install wezterm

The version available in ports is not directly managed by the release automation of the WezTerm project and may lag behind the latest release. If you need to run a newer version, then the build from source instructions also apply to FreeBSD.

Installing from source

If your system isn't covered by the pre-built packages then you can build it for yourself. WezTerm should run on any modern unix as well as Windows 10 and macOS.

  • Install rustup to get the rust compiler installed on your system. Install rustup
  • Rust version 1.56 or later is required
  • Build in release mode: cargo build --release
  • Run it via either cargo run --release --bin wezterm or target/release/wezterm

You will need a collection of support libraries; the get-deps script will attempt to install them for you. If it doesn't know about your system, please contribute instructions!

If you don't plan to submit a pull request to the wezterm repo, you can download a smaller source tarball using these steps:

curl https://sh.rustup.rs -sSf | sh -s
curl -LO https://github.com/wez/wezterm/releases/download/20220624-141144-bd1b7c5d/wezterm-20220624-141144-bd1b7c5d-src.tar.gz
tar -xzf wezterm-20220624-141144-bd1b7c5d-src.tar.gz
cd wezterm-20220624-141144-bd1b7c5d
./get-deps
cargo build --release
cargo run --release --bin wezterm -- start

Alternatively, use the full git repo:

curl https://sh.rustup.rs -sSf | sh -s
git clone --depth=1 --branch=main --recursive https://github.com/wez/wezterm.git
cd wezterm
git submodule update --init --recursive
./get-deps
cargo build --release
cargo run --release --bin wezterm -- start

If you get an error about zlib then you most likely didn't initialize the submodules; take a closer look at the instructions!

Building without Wayland support on Unix systems

By default, support for both X11 and Wayland is included on Unix systems. If your distribution has X11 but not Wayland, then you can build WezTerm without Wayland support by changing the build invocation:

cargo build --release --no-default-features

Building without X11 is not supported.

Available Features

Changes

Releases are named using the date, time and git commit hash.

Continuous/Nightly

A bleeding edge build is produced continually (as commits are made, and at least a daily scheduled build) from the main branch. It may not be usable and the feature set may change, but since @wez uses this as a daily driver, its usually the best available version.

As features stabilize some brief notes about them will accumulate here.

New

Fixed

  • ActivateKeyTable's replace_current field was not actually optional. Made it optional. #2179
  • winget causes toast notification spam #2185
  • wezterm connect sshdomain could hang on startup if password authentication was required #2194
  • colors.indexed would error out with Cannot convert String to u8. #2197
  • X11: closing a window when multiple were open could result in an X protocol error that closed all windows #2198
  • Config will now automatically reload after error. Previously, you would need to manually reload the config using ReloadConfiguration. #1174
  • Config will now automatically reload for changes made to required lua files. Previously, only the main config file and any files that you explicitly passed to add_to_config_reload_watch_list would trigger a reload.
  • macOS: numeric keypad enter generated CTRL-C instead of enter. Regression of #739. #2204
  • Wayland: inconsistent pasting. Thanks to @Funami580! #2225 #2226
  • win32 input mode: fixed encoding of backspace and delete keys. Thanks to @kreudom! #2233
  • Tab bar could glitch and show incorrect contents when adjusting for monitor or changed font scaling #2208
  • Wayland: transparent gap under tab bar when window is transparent, split and using per-pane color schemes #1620
  • Tab bar could show a gap to the right when resizing
  • Padding could show window background rather than pane background around split panes at certain window sizes #2210
  • Loading dynamic escape sequence scripts from the iTerm2-Color-Scheme dynamic-colors directory would only apply the first 7 colors
  • Unix: Clicking a URL when no browser is open could cause wezterm to hang until the newly opened browser is closed. #2245

Updated

  • Bundled harfbuzz to 4.4.1

20220624-141144-bd1b7c5d

New

Updated

  • Bundled harfbuzz to 4.3.0

Changed

  • Debian packages now register wezterm as an alternative for x-terminal-emulator. Thanks to @xpufx! #1883
  • Windows: wezterm will now read the default environment variables from the HKLM\System\CurrentControlSet\Control\Session Manager\Environment and HKCU\Environment and apply those to the base environment prior to applying set_environment_variables. #1848
  • Key Table lookups will now keep searching the activation stack until a matching assignment is found, allowing for layered key tables. #993
  • Search mode's search term is now remembered per-tab between activations of search mode. #1912
  • Quickselect no longer jumps to the bottom of the viewport when activated, allowing you to quickselect within the current viewport region
  • Quickselect now supports multi-line anchors such as ^ and $. #2008
  • Overriding config using the cli --config option will now error out and prevent starting up if unknown config options are specified, or if the value evaluates to nil. Unknown options continue to generate warnings (rather than errors) when observed in the config file so that you're not "locked out" of wezterm if you make a typo in the config file.
  • Windows: allow_win32_input_mode now defaults to true and enables using win32-input-mode to send high-fidelity keyboard input to ConPTY. This means that win32 console applications, such as FAR Manager that use the low level INPUT_RECORD API will now receive key-up events as well as events for modifier-only key presses. #1509 #2009 #2098 #1904
  • Wayland: enable_wayland now defaults to true. #2104
  • exit_behavior now defaults to "Close". #2105
  • Improved wezterm.action syntax for slightly more ergnomic and understandable key assignments. #1150

Fixed

  • Flush after replying to XTGETTCAP, DECRQM, XTVERSION, DA2, DA3 #2060 #1850 #1950
  • macOS: CMD-. was treated as CTRL-ESC #1867
  • macOS: CTRL-Backslash on German layouts was incorrect #1891
  • nf-mdi-contacts nerdfont symbol treated as zero-width #1864
  • X11/Wayland: CTRL-i, CTRL-j, CTRL-m misinterpreted as CTRL-Tab, CTRL-Enter, CTRL-Return #1851
  • Scrollbar stopped working after a lot of output scrolled outside of the scrollback limit. Thanks to @davidrios! #1866
  • Windows: uncommitted IME composition could get stuck when switching input methods. #1922
  • OSC sequences, such as those that change the window or tab title, that accept a single string parameter will now join multiple parameters together. This allows window and tab titles to contain a semicolon. Thanks to @kumattau! #1939
  • Unable to use ALT as a modifier for the leader key. #1958
  • IME Candidate window position was incorrect. Thanks to @kumattau and @aznhe21! #1976 #2001 #2022
  • Prevent panic for some classes of invalid input, found while fuzzing. Thanks to @5225225! #1990 #1986
  • Detaching an ssh multiplexer domain sometimes killed the associated panes! #1993
  • DecreaseFontSize wasn't quite the inverse of IncreaseFontSize. Thanks to @Funami580! #1997
  • Wayland: unable to paste text that was copied before starting the initial wezterm window. Thanks to @Funami580! #1994 #1385
  • Unicode NFD text could incorrectly render with repeated glyphs #2032
  • Windows: spawning new panes/tabs wouldn't automatically use the working directory of the current pane when OSC 7 was not being used #2036
  • Wayland: panic when display scaling is enabled. #1727
  • Dark+ color scheme background color #2013
  • Synthesized bold didn't kick in for automatically computed font_rules. #2074
  • Added freetype_pcf_long_family_names option to workaround PCF font naming issues on certain Linux distributions. #2100
  • X11/Wayland: wezterm.desktop now specifies StartupWMClass. Thanks to @uncomfyhalomacro! #2052 #2125
  • sudo -i in a pane would cause subsequent pane/tab creation to fail until the cwd was changed to an accessible directory #2120
  • X11: Fixed an issue where some events could get lost around resize events, especially prevalent when using the NVIDIA proprietary drivers. Thanks to @pjones123 and @yuttie for working through this! #1992 #2063 #2111 #1628
  • macOS: SHIFT-Tab and CTRL-SHIFT-Tab produced incorrect results #1902
  • X11: Fixed an issue where copy and paste between two wezterm windows could produce stale results. #2110
  • Mouse selection spanning multiple lines always included the first column even when the mouse was to the left of the first column. Thanks to @Funami580! #2106
  • Fonts: Codepoints for eg: symbol glyphs that were not explicitly listed in your font fallback list may not be resolved when used in styled (eg: bold) text. #1913 #2158

20220408-101518-b908e2dd

New

  • Key Tables feature for powerful modal key assignments
  • wezterm start --position x,y, wezterm start --position displayname:30%,30% option to control starting window position on all systems except for Wayland. See wezterm start --help for more info. #1794

Changed

  • Default key assignments are mapped: again. A new key_map_preference option allows the defaults to use "Mapped" or "Physical".
  • Disabled ligatures for "Monaco" and "Menlo" fonts, as those have "fi" ligatures that match even for words such as find. #1786 #1736
  • Removed the send_composed_key_when_alt_is_pressed option. When processing generic ALT (eg: that has neither left nor right), if either send_composed_key_when_left_alt_is_pressed or send_composed_key_when_right_alt_is_pressed is true, then the composed form of the key event will be generated.

Updated and Improved

  • Bundled harfbuzz to 4.2.0
  • On macOS, non-native fullscreen mode now attempts to avoid the notch on systems that have one. #1737
  • Sixel parsing performance has been improved
  • You may now specify a scaling factor per fallback font, which is useful when your preferred CJK font renders smaller than your Roman primary font, for example.
  • Color schemes: Retro, GitHub Dark, Blazer
  • Wayland: touchpad scroll is now more responsive/precise. Thanks to @davidrios! #1800 #1840
  • Kitty image protocol: now also supports shared memory data transmission. Thanks to @tantei3! #1810
  • Secondary DA response bumped up to persuade vim to set ttymouse=sgr by default. #1825

Fixed

  • Incorrect csi-u encoding with non-ascii characters. #1746
  • X11 _NET_WM_ICON had red/blue channels swapped #1754
  • ls-fonts output didn't quote the style field #1762
  • window_decorations = "RESIZE" on Windows prevented minimize/maximize and aerosnap, double click to maximize, and had an ugly top border. Many thanks to @davidrios! #1674 #1675 #1771
  • On Windows, explorer shortcut icons with the maximized setting would fall out of maximized state on startup. Thanks to @davidrios! #1502
  • LANG environment variable was not always set on macOS, leading to mojibake when entering CJK. #1761 #1765
  • Fonts with only non-unicode names (eg: only using a Chinese multibyte string encoding) were treated as having names like ????? and were not accessible. #1761
  • Hover state of leftmost retro style tab was overly sticky when the mouse moved out of the tab. #1764
  • On macOS, the font size could incorrectly double or halve after waking from sleep or moving the window to/from an external monitor. #1566 #1745
  • On Windows, touchpad scrolling was janky. Many thanks to @davidrios! #1773 #1725 #949
  • X11: workaround i3-gaps not sending initial CONFIGURE_NOTIFY or FOCUS events, leading to weird initial window size and broken focus status. #1710 #1757
  • Hyperlink rules with more captures than replacements could panic wezterm when text matched. #1780
  • Malformed XTGETTCAP response. #1781
  • Multiplexer performance with images was unusuable for all but tiny images. #1237
  • CloseCurrentPane{confirm=false} would leave behind a phantom tab/pane when used with the multiplexer. #1277
  • CloseCurrentPane{confirm=true} artifacts when used with the multiplexer. #783
  • Scrollbar thumb could jump around/move out of bounds. Thanks to @davidrios! #1525
  • OSC 52 could stop working for tabs/panes spawned into the GUI via the CLI. #1790
  • Workaround for fonts with broken horizontal advance metrics #1787
  • Improved mouse based selection. Thanks to @davidrios! #1805 #1199 #1386 #354
  • X11 KP_End wasn't recognized #1804
  • fontconfig matches now also treat "charcell" spacing as monospace. #1820
  • Multiplexer render update laggy, especially when using multiple windows. #1814 #1841

20220319-142410-0fcdea07

New

Changed

  • Key Assignments now use Physical Key locations by default!! Read more #1483 #601 #1080 #1391
  • Key assignments now match prior to any dead-key or IME composition #877
  • Removed the ALT-[NUMBER] default key assignments as they are not good for non-US layouts. #1542
  • wezterm cli, when run outside of a wezterm pane, now prefers to connect to the main GUI instance rather than background mux server. Use wezterm cli --prefer-mux to ignore the GUI instance and talk only to the mux server. See wezterm cli --help for additional information.
  • ScrollByPage now accepts fractional numbers like 0.5 to scroll by half a page at time. Thanks to @hahuang65! #1534
  • use_ime now defaults to true on all platforms; previously it was not enabled by default on macOS.
  • canonicalize_pasted_newlines default has changed to be more compatible for nano users, and now provides more control over the text format that is pasted. #1575
  • Blinking text is now eased rather than binary-blinked. See text_blink_ease_in and text_blink_ease_out, text_blink_rapid_ease_in and text_blink_rapid_ease_out for more information.
  • Blinking text cursor is now eased rather than binary-blinked. See cursor_blink_ease_in and cursor_blink_ease_out.

Updated and Improved

  • IME and dead key composition state now shows inline in the terminal using the terminal font (All platforms, except Wayland where we only support dead key composition)
  • macOS: use_ime=true no longer prevents key repeat from working with some keys #1131
  • Bundled harfbuzz to 4.0.1

Fixed

  • Regression that broke fontconfig aliases such as "monospace" #1250
  • Windows/X11/Wayland: CTRL+C in non-latin keyboard layouts wouldn't send CTRL+C #678
  • The new tab button in the fancy tab didn't respect new_tab_hover colors #1498
  • Font baseline alignment when mixing symbols/emoji with the main text #1499
  • Glitchy window resize #1491
  • Ligatured glyphs no longer turn partially black when cursoring through them #478
  • Kitty Image Protocol: didn't respect c and r parameters to scale images
  • Cursor location on the primary screen wasn't updated correctly if the window was resized while the alternate screen was active #1512
  • Windows: latency issue with AltSnap and other window-managery things #1013 #1398 #1075 #1099
  • Multiplexer sessions now propagate user vars #1528
  • Config reloads on the multiplexer server didn't cause the palette to update on the client #1526
  • ScrollToPrompt could get confused when there were multiple prompts on the same line #1121
  • Hangul text in NFD was not always correctly composed when shaping fonts. #1573
  • Avoid OOM when processing sixels with huge repeat counts #1610
  • Set the sticky bit on socket and pid files created in XDG_RUNTIME_DIR to avoid removal by tmpwatch #1601
  • Shaping combining sequences like e U+20d7 could "lose" the vector symbol if the font produced an entry with no x_advance. #1617
  • Setting the cursor color via escape sequences now take precedence over force_reverse_video_cursor. #1625
  • Fixed Detection of DECSDM support via DECRQM/DECRPM, Correct sixel image placement when DECSDM is set and VT340 default sixel colors. Thanks to Autumn! #1577
  • Fixed missing whitespace from intermediate lines when copying a wrapped logical line #1635
  • Unable to match Iosevka Term when multiple iosevka ttc files were installed on macOS #1630
  • Incorrect umask for panes spawned via the multiplexer server #1633
  • Fall back from top_left_arrow to left_ptr when loading XCursor themes #1655
  • Fixed lingering hover state in titlebar when the mouse pointer left the window. Thanks to @davidrios! #1434
  • We now respect the difference between Italic and Oblique font styles when matching fonts. You may explicitly specify style="Oblique" rather than using italic=true for fonts that offer both italic and oblique variants. #1646
  • Hang when clicking a URL would launch the browser for the first time on unix systems #1721
  • Wayland input handling gets broken after suspend/resume. Thanks to @LawnGnome! #1497

20220101-133340-7edc5b5a

New

Changed

  • quickselect: we now de-duplicate labels for results with the same textual content. #1271
  • The default CompleteSelectionOrOpenLinkAtMouseCursor left button release assignment now also accepts SHIFT being held in order to make SHIFT-click ExtendSelectionToMouseCursor feel more ergonomic if the mouse button is released before the SHIFT key. #1204
  • Unicode BIDI and other zero-width graphemes are now filtered out from the terminal model. It's not ideal in the sense that that information is essentially lost when copying to the clipboard, but it makes the presentation correct. #1422
  • use_ime now defaults to true on X11 systems

Updated and Improved

  • Bundled harfbuzz to 3.2.0
  • Bundled freetype to 2.11.1
  • Bundled NotoColorEmoji to 2.034 (with Unicode 14 support) Thanks to @4cm4k1! #1440
  • macos: removing the titlebar from window_decorations now preserves rounded window corners #1034
  • Colors can now be specified in the HSL colorspace using syntax like "hsl:235 100 50" #1436
  • Line/Bar cursors in force_reverse_video_cursor mode now use the text foreground color rather than the cursor border color. #1076
  • Improved logo appearance. Thanks to @ghifarit53! #1454
  • You can now pass SendKey to wezterm.action and make your keys config look more consistent
  • Mouse wheel events are now routed to the hovered pane, rather than sent to the focused pane #798

Fixed

  • DECSTR (terminal soft reset) now turns off DECLRMM (left and right margin mode). Thanks to @ninjalj! #1376
  • Improved conformance of CUP, HVP, SLRM, STBM escape sequences by support empty first parameter. Thanks to @ninjalj! #1377
  • tab bar didn't correctly handle double-wide cells and could truncate at edges when using format-tab-title #1371
  • wezterm cli --no-auto-start was not respected
  • Pixel geometry configured on the PTY in new windows could be incorrect on HiDPI displays until the window was resized #1387
  • Image attachment geometry for imgcat and sixels could stretch the image across the rounded up number of cells that contained the image. #1300, #1270
  • Closing a split pane created inside a wezterm ssh session wouldn't actually close the pane #1197
  • Clicking when unfocused could lead to unwanted text selection #1140 #1310
  • Changing font scaling on Windows no longer causes the initial terminal rows/cols to be under-sized #1381
  • New version update notifications are now more coordinated between multiple wezterm GUI instances, and update related configuration now respects configuration reloading. #1402
  • TLS domains bootstrapping via SSH now use the libssh backend by default and work more reliably on Windows
  • Closing a window will no longer recursively terminate contained multiplexer client panes; the window will instead be restored when you next connect to that multiplexer server. Killing/closing individual tabs/panes will kill the panes; this change only affects closing the window. #848 #917 #1224
  • Colors were too intense due to over gamma correction #1025
  • Mesa and EGL colors were too dim due to under gamma correction #1373
  • wezterm ssh no longer tries to use default_prog or default_cwd when spawning additional panes on the remote host #1456
  • Launcher menu WSL items now launch correctly on non-US versions of Windows #1462
  • Korean text in NFD form is now correctly sized and rendered #1474
  • macOS: use_ime=true conflicted with LEADER key assignments #1409
  • macOS: certain keys (eg: F8 and F9) did nothing when use_ime=true. #975
  • Splitting a tab would cause the window to lose its transparency #1459

20211205-192649-672c1cc1

Fixed

  • Windows: wezterm <something> would fail silently when spawning wezterm-gui under the covers. Regression introduced by #1278. Workaround is to directly spawn wezterm-gui.
  • Windows: the PTY handles were ignored in favor of the redirected stdio handles of the parent of the wezterm mux process #1358
  • Windows: Failure to spawn wezterm when launching an ssh mux domain session no longer waits forever
  • "Update available" message kept showing even though already running the latest version #1365

20211204-082213-a66c61ee9

New

  • X11 now supports IME. It currently defaults to disabled, but you can set use_ime = true in your config to enable it (you need to restart wezterm for this to take effect). Many thanks to @H-M-H for bringing xcb-imdkit to Rust and implementing this in wezterm! #250 #1043
  • it is now possible to define colors in the range 16-255 in colors and color scheme definitions. Thanks to @potamides! #841 #1056
  • Added SendKey key assignment action that makes it more convenient to rebind the key input that is sent to a pane.
  • Added Multiple key assignment action for combining multuple actions in a single press.
  • Added use_resize_increments option to tell X11, Wayland, macOS window resizing to prefers to step in increments of the cell size
  • visual_bell and audible_bell configuration options, as well as a bell event allows you to trigger lua code when the bell is rung. #3
  • wezterm.action_callback function to make it easier to use custom events. Thanks to @bew! #1151
  • wezterm connect now also supports the --class parameter to override the window class
  • window_padding now accepts values such as "1cell" or "30%" to compute values based on font or window metrics.
  • BSDish systems now support toast notifications
  • wezterm.background_child_process function to spawn a process without waiting.
  • mux_env_remove setting to control which environment variables should be cleared prior to spawning processes in the multiplexer server #1225
  • canonicalize_pasted_newlines option to help Windows users manage newlines in pastes #1213
  • SSH client now uses libssh by default. ssh_backend can be used to change this.
  • unzoom_on_switch_pane option. Thanks to @yyogo #1301
  • unicode_version option and corresponding OSC escape sequences that affects how the width of certain unicode sequences are interpreted.
  • macOS: binaries produced by wezterm's CI are now codesigned, which resolves some spurious permission dialogs that affected some users #482

Changed

  • new default key assignments: CTRL+PageUp and CTRL+Tab activate next tab, CTRL+PageDown and CTRL+SHIFT+Tab activate previous tab. ALT+{1..8} directly select the first through 8th tabs. Thanks to @friederbluemle! #1132
  • X11: we now allow matching visuals with >= 8 bits per rgb value. Previously, we only matched exactly 8 bits. This improve compatibility with systems that have the COMPOSITE extension disabled. Thanks to @shizeeg! #1083
  • The incomplete Allsorts shaper was removed.
  • Windows: wezterm-gui.exe now only grabs the parent process' console handle when spawned from wezterm.exe, which prevents some frustrating interactions when launching wezterm-gui.exe via start in cmd/powershell. #1278
  • AppImage: take care to remove APPIMAGE related environment when spawning child processes. Thanks to @srevinsaju! #1338

Updated and Improved

  • bundled harfbuzz updated to version 3.0.0, bundled freetype updated to 2.11
  • window close confirmations now accept both uppercase and lowercase Y/N key presses. Thanks to @SpyrosRoum! #1119
  • multi-click-streaks are now interrupted by the cursor moving to a different cell. Thanks to @unrelentingtech! #1126
  • .deb packages now Provides: x-terminal-emulator. #1139
  • use_cap_height_to_scale_fallback_fonts now computes cap-height based on the rasterized glyph bitmap which means that the data is accurate in more cases, including for bitmap fonts. Scaling is now also applied across varying text styles; previously it only applied to a font within an wezterm.font_with_fallback font list.
  • Can now match fontconfig aliases, such as monospace, on systems that use fontconfig. Thanks to @unrelentingtech! #1149
  • Powerline semicircle glyphs now look much better. Thanks to @bew and @sdrik! #1311
  • Splits now look better, especially when using escape sequences to change the default background color #1256

Fixed

  • wezterm cli spawn would use the initial terminal size for a new tab, rather than using the current tab size #920
  • text_background_opacity opacity was not respected
  • spawning commands via the mux didn't respect the PATH configured in set_environment_variables. #1029
  • cursor could have a transparent "hole" through the window with certain cursor styles
  • Consolas font + random input could cause a divide-by-zero when computing glyph metrics #1042
  • Emoji fallback was too strict in respecting VS15/VS16 presentation selection, adjust the fallback to allow showing Emoji/Text presentation if Text/Emoji was requested but not found.
  • X11: laggy input after selecting text. #1027
  • macOS: send_composed_key_when_left_alt_is_pressed and send_composed_key_when_right_alt_is_pressed are now respected when use_ime=true. Thanks to @jakelinnzy! #1096
  • X11: jittery resize with some window managers #1051
  • X11: window:get_appearance now actually returns Dark when the theme is dark. #1098
  • ALT + Arrow, PageUp/PageDown, Ins, Del, Home, End incorrectly sent ESC prefixed key sequences. #892
  • Crash due to Out of Memory condition when the iTerm2 protocol was used to send excessively large PNG files #1031
  • DCH (delete char) sequence would remove cells and replace them with default-blank cells instead of blank-cells-with-current-bg-color. #789
  • invisible I-beam or underline cursor when force_reverse_video_cursor = true #1076
  • SU (scroll up) sequence would fill with default-blank cells instead of blank-cells-with-current-bg-color. #1102
  • X11: computed but did not use the correct DPI for HiDPI screens #947
  • performance when resolving fallback fonts via fontconfig, and of coverage calculation with freetype. Thanks to @H-M-H!
  • Wayland: incorrect initial surface size for HiDPI screens. Thanks to @unrelentingtech! #1111 #1112
  • invisible cursor in CopyMode when using kakoune #1113
  • Wayland: bypass_mouse_reporting_modifiers didn't work. Thanks to @unrelentingtech! #1122
  • new tabs could have the wrong number of rows and columns if a tiling WM resizes the window before OpenGL has been setup. #1074
  • Wayland: dragging the window using the tab bar now works. Thanks to @unrelentingtech! #1127
  • error matching a font when that font is in a .ttc that contains multiple font families. #1137
  • Wayland: panic with most recent wlroots. Thanks to @unrelentingtech! #1144
  • incorrect spacing for IDEOGRAPHIC SPACE. #1161
  • italic fonts weren't always recognized as being italic, resulting in italic variants being used instead of the non-italic variants in some cases! #1162
  • Ask freetype for cell metrics in bitmap-only fonts, rather than simply taking the bitmap width. #1165
  • wezterm can now match bitmap fonts that are spread across multiple font files #1189
  • ssh config parser incorrectly split Host patterns with commas instead of whitespace #1196
  • search now auto-updates when the pane content changes #1205
  • fonts with emoji presentation are shifted to better align with the primary font baseline #1203
  • the whole tab was closed when only the zoomed pane exited. #1235
  • multiplexer: wrong WEZTERM_UNIX_SOCKET environment passed to children when using unix domain sockets and connect_automatically=true #1222
  • multiplexer: spawning remote tabs didn't correctly record local tab mapping, resulting in phantom additional tabs showing in the client. #1222
  • wezterm ls-fonts --text "✘" didn't account for the system fallback list. #849
  • macOS: The Menlo font is now implicitly included in the system fallback list, as it is the only font that contains U+2718 ✘
  • wezterm cli spawn --cwd .. and wezterm cli split-pane --cwd .. now resolve relative paths #1243
  • Incorrect DECRPTUI response to DA3. Thanks to @ninjalj! #1330
  • Reloading config now loads newly defined multiplexer domains, however, existing domains are not updated. #1279

20210814-124438-54e29167

  • Fixed: ssh client would read /etc/ssh/config rather than the proper /etc/ssh/ssh_config
  • Updated: ssh client now processes Include statements in ssh config
  • x11: support for VoidSymbol in key assignments. Thanks to @digitallyserviced! #759
  • Fixed: UTF8-encoded-C1 control codes were not always recognized as control codes, and could result in a panic when later attempting to update the line. #768
  • Fixed: wezterm cli split-pane didn't use the current working dir of the source pane. #766
  • Fixed: double-click-drag selection could panic when crossing line boundaries #762
  • Fixed: wrong scaling for ligatures in Recursive Mono font #699
  • Fixed: incorrect Sixel HLS hue handling #775
  • Fixed: we now recognize the CSI 48:2:0:214:255m form of specifying true color text attributes #785
  • Fixed: split separators didn't respect tab_bar_at_bottom=true and were rendered in the wrong place #797
  • Improved: messaging around exit_behavior
  • Fixed: errors loading custom color schemes are now logged to the error log #794
  • Fixed: OSC 7 (current working directory) now works with paths that contain spaces and other special characters. Thanks to @Arvedui! #799
  • Changed: the homebrew tap is now a Cask that installs to the /Applications directory on macOS. Thanks to @laggardkernel!
  • New: bold/dim and/or italics are now synthesized for fonts when the matching font is not actually italic or doesn't match the requested weight. #815
  • Updated: conpty.dll to v1.9.1445.0; fixes color bar artifacts when resizing window and allows win32 console applications to use mouse events
  • Fixed: Windows: pane could linger after the process has died, closing only when a new pane/tab event occurs
  • Fixed: Windows: first character after wezterm ssh keyboard authention was swallowed #771
  • Fixed: Windows: detect window resizes while authenticating for wezterm ssh #696
  • Fixed: OSC 52 clipboard escape didn't work in the initial pane spawned in the multiplexer server #764
  • Fixed: splitting panes in multiplexer could fail after a network reconnect #781
  • Fixed: multiplexer now propagates toast notifications and color palette to client #489 #748
  • Fixed: neovim interprets drags as double clicks #823
  • New: CTRL+SHIFT+L is assigned to ShowDebugOverlay #641
  • Improved: antialiasing for undercurl. Thanks to @ModProg! #838
  • Fixed: wezterm start --cwd c:/ didn't run default_prog. Thanks to @exactly-one-kas! #851
  • Improved: skip_close_confirmation_for_processes_named now includes common windows shell processes cmd.exe, pwsh.exe and powershell.exe. #843
  • Fixed: don't keep the window alive after running something & disown ; exit #839
  • Improved: we now draw sextant glyphs from the Unicode Symbols for Legacy Computing block (1FB00) when custom_block_glyphs is enabled.
  • Changed: COLORTERM=truecolor is now set in the environment. #875
  • New: wezterm cli spawn --new-window flag for creating a new window via the CLI #887
  • Fixed: closing last pane in a tab via CloseCurrentPane could cause the window to close #890
  • Improved: wezterm ls-fonts --list-system shows all available fonts, wezterm ls-fonts --text "hello" explains which fonts are used for each glyph in the supplied text
  • Fixed: mouse cursor is now Arrow rather than I-beam when the application in the terminal has enabled mouse reporting #859
  • Improved: DEC Special Graphics mode conformance and complete coverage of the graphics character set. Thanks to Autumn Lamonte! #891
  • Fixed: click to focus now focuses the pane under the mouse cursor #881
  • Removed: Parasio Dark color scheme; it was a duplicate of the correctly named Paraiso Dark scheme. Thanks to @adrian5! #906
  • Fixed: key repeat on Wayland now respects the system specified key repeat rate, and doesn't "stick". #669
  • Fixed: force_reverse_video_cursor wasn't correctly swapping the cursor colors in all cases. #706
  • Fixed: allow multuple IdentityFile lines in an ssh_config block to be considered
  • Improved: implement braille characters as custom glyphs, to have perfect rendering when custom_block_glyphs is enabled. Thanks to @bew!
  • Fixed: Mod3 is no longer treater as SUPER on X11 and Wayland #933
  • Fixed: paste now respects scroll_to_bottom_on_input. #931
  • New: bypass_mouse_reporting_modifiers to specify which modifier(s) override application mouse reporting mode.
  • Fixed: focus tracking events are now also generated when switching between panes #941
  • New: window_frame option to configure Wayland window decorations #761
  • New: window:get_appearance() to determine if the window has a dark mode appearance, and adjust color scheme to match #806
  • Improved: improve the new-tab button formatting. Thanks to @sdrik! #950
  • Fixed: if a line of text was exactly the width of the terminal it would get marked as wrappable even when followed by a newline, causing text to reflow incorrectly on resize. #971
  • Fixed: wezterm ssh could loop forever in the background if the connection drops and the window is closed. #857
  • Improved: VT102 conformance. Many thanks to Autumn Lamonte! #904
  • New: text_blink_rate and text_blink_rate_rapid options to control blinking text. Thanks to Autumn Lamonte! #904
  • New: Added support for Synchronized Rendering #882
  • New: wezterm now draws its own pixel-perfect versions of more block drawing glyphs. See custom_block_glyphs for more details. #584
  • Fixed: wayland: CursorNotFound error with the whiteglass theme. #532
  • Improved: Can now recover from exhausting available texture space by clearing the screen. #879
  • Updated bundled Noto Color Emoji font to version 2.028 featuring a design update. Thanks to @4cm4k1! #1003
  • Fixed: wayland: putting a window in the Sway scratchpad no longer blocks the wezterm process #884
  • Fixed: mouse reporting now correctly reports release events when multiple buttons are pressed and released at the same time. #973
  • Fixed: incorrect initial window/pty size when running with some tiling window managers. #695
  • New: CTRL-SHIFT-L shows the debug overlay, which shows the error log and a lua repl. #641
  • Fixed: macOS: bright window padding on Intel-based macs #653, #716 and #1000
  • Improved: wezterm now uses the Dual Source Blending feature of OpenGL to manage subpixel anti-aliasing alpha blending, resulting in improved appearance particularly when using a transparent window over the top of something with a light background. #932
  • Fixed: copying really long lines could falsely introduce line breaks on line wrap boundaries #874
  • New: wezterm.add_to_config_reload_watch_list function to aid with automatically reloading the config when you've split your config across multiple files. Thanks to @AusCyberman! #989
  • Improved: wezterm now respects default emoji presentation and explicit emoji variation selectors (VS15 and VS16) so that glyphs that have both textual (usually monochrome, single cell width) and emoji (color, double width) presentations can be more faithfully rendered. #997
  • New: window_background_gradient option to configure color gradients for your window background
  • New: wezterm.gradient_colors function to compute RGB values for gradients for use in your config.
  • New: color schemes: Abernathy, Ayu Mirage, darkmatrix, Fairyfloss, GitHub Dark, HaX0R_BLUE, HaX0R_GR33N, HaX0R_R3D, Mariana, matrix, Peppermint and UltraDark

20210502-154244-3f7122cb

  • Fixed: red and blue subpixel channels were swapped, leading to excessively blurry text when using freetype_load_flags="HorizontalLcd". #639
  • Fixed: the selection wouldn't always clear when the intersecting lines change #644
  • Fixed: vertical alignment issue with Iosevka on Windows #661
  • Fixed: support for "Variable" fonts such as Cascadia Code and Inconsolata on all platforms #655
  • New: wezterm.font and wezterm.font_with_fallback attributes parameter now allows matching more granular font weights and font stretch. e.g.: wezterm.font('Iosevka Term', {stretch="Expanded", weight="Regular"}), as fallback can specify weight/stretch/style for each individual font in the fallback.
  • New: freetype_render_target option for additional control over glyph rasterization.
  • Fixed: wezterm ssh HOST no longer overrides the User config specified by ~/.ssh/config
  • Fixed: X11: detect when gnome DPI scaling changes #667
  • Fixed: potential panic when pasting large amounts of multi-byte text #668
  • Fixed: X11: non-ascii text could appear mangled in titlebars #673
  • Improved font IO performance and memory usage on all platforms
  • New window:toast_notification method for showing desktop notifications. #619
  • Fixed: half-pixel gaps in ligatured/double-wide glyphs depending on the font size #614
  • Fixed: Window could vanish if a tab closed while the rightmost tab was active(!) #690
  • Fixed: macOS: mouse cursor could get stuck in the hidden state. #618
  • Improved: font_rules behavior to always append reasonable default font_rules to those that you may have specified in your config. font_rules now also include defaults for half-bright text styles.
  • Improved: added use_cap_height_to_scale_fallback_fonts option to scale secondary fonts according to relative their cap-height metric to improve size consistency. This partially applies to some symbol/emoji fonts, but is dependent upon the font having reliable metrics.
  • Improved: font-config queries now run much faster, resulting in snappier startup on unix systems
  • Fixed: Hide had no effect on macOS when the titlebar was disabled #679
  • Fixed: key and mouse assignments set via window:set_config_overrides were not respected. #656
  • Fixed: potential panic when word selecting off top of viewport #713
  • Fixed: really long busy wait when displaying single logical json line of 1.5MB in length #714
  • New: swallow_mouse_click_on_pane_focus option #724
  • New: pane_focus_follows_mouse option #600
  • Fixed: splitting a pane while a pane is in the zoomed state would swallow the new pane #723
  • Fixed: multi-cell glyphs weren't displayed in tab titles #711
  • New: format-window-title hook for customizing the text in the window titlebar
  • New: format-tab-title hook for customizing the text in tab titles. #647
  • Removed: active and inactive tab_bar_style config values; use the new format-tab-title event instead
  • New: force_reverse_video_cursor setting to override the cursor color scheme settings. #706
  • Fixed: ssh config parsing now expands ~ to your home directory for appropriate options; previously only %d and ${HOME} were substituted. #729
  • New: Quick Select Mode for a tmux-fingers/tmux-thumbs style mouse-less select and copy flow #732
  • Fixed: tabs would remain hovered after moving the mouse down into the main terminal area #591
  • New: tab_bar_at_bottom setting to put the tab bar at the bottom of the window #278
  • New: wezterm.column_width function for measuring the displayed width of a string
  • New: wezterm.pad_left, wwezterm.pad_right, wezterm.truncate_left and wezterm.truncate_right function for truncating/padding a string based on its displayed width
  • Updated bundled Noto Color Emoji font to version 2.020 with unicode 13.1 support. Thanks to @4cm4k1! #742
  • Fixed: Numpad Enter reported as CTRL-C on macOS #739
  • Fixed: mouse reporting button state not cleared when focus is lost, eg: from clicking a link #744
  • Improved: better looking curly underline. Thanks to @ModProg! #733
  • Fixed: wezterm now sets argv0 to -$SHELL to invoke a login shell, rather than running $SHELL -l. #753
  • Improved: ssh_config parsing now supports Match for Host, LocalUser.
  • Improved render performance for wide windows #740
  • New color schemes: Aurora, BlueDolphin, BlulocoDark, BlulocoLight, Doom Peacock, Galizur, Guezwhoz, PaleNightHC, Raycast_Dark, Raycast_Light, Sublette, iceberg-dark and iceberg-light.

20210405-110924-a5bb5be8

  • Fixed: bold text got broken as part of fixing #617 :-( #648

20210404-112810-b63a949d

  • Fixed: 100% CPU due to spurious resize events generated by herbstluftwm. #557
  • Fixed: improved conformance with xterm for keys like CTRL-6 and CTRL-/. #556
  • Fixed: detection and handling of fonts such as terminus-bold.otb that contain only bitmap strikes. #560
  • Fixed: the pixel size reported by the pty to the kernel wasn't adjusted for font metrics/dpi until the config was reloaded or window resized. #563
  • Fixed: greatly reduce memory consumption when system fallback fonts are loaded #559
  • Fixed: Windows: window_background_opacity was only taking effect when window_decorations="NONE" #553
  • Fixed: an issue where wezterm could hang if the process spawned by a pane doesn't quit when asked #558
  • Fixed: panic when dismissing the tab navigator #542
  • Fixed: font fallback on macOS returns unresolvable .AppleSymbolsFB rather than Apple Symbols, leading to slowdowns when rendering symbols #506
  • Fixed: laggy repaints for large windows particularly on Windows, but applicable to all systems. Tuned and triple-buffered vertex buffer updates. #546
  • Changed: allow_square_glyphs_to_overflow_width now defaults to WhenFollowedBySpace and applies to more symbol glyphs. #565
  • Changed: macOS: CMD-Q is now bound by default to QuitApplication
  • New: added skip_close_confirmation_for_processes_named option which specifies a list of processes for which it is considered safe to allow closing a pane/tab/window without a prompt. #562
  • Fixed: triggering the search overlay again while the search overlay is active no longer closes the underlying pane #572
  • Fixed: X10 mouse coordinate reporting encoding could produce invalid outputs for large windows. Capped coordinate values to the maximum value that is representable in UTF-8 encoding
  • Fixed: font fallback now happens asynchronously from painting #508
  • New: added window:get_selection_text_for_pane method #575
  • Fixed: implicit hyperlink rules, word and line selection now operate on logical lines which means that they deal with wrapped lines outside of the viewport. #408
  • New: wezterm ssh now supports reading ~/.ssh/config and overriding options via the command line. IdentityFile and ProxyCommand are the two main new supported options. Read more about it in ssh.
  • Fixed: ssh support will now try all available identities from the SSH agent rather than just the first.
  • New: splitting panes in wezterm ssh now works like spawning new tabs: the new program is started on the remote host with no additional authentication required.
  • Fixed: Multiplexer sessions would fail to bootstrap via ssh because the bootstrap process exited too soon. #507
  • Fixed: Windows: we now compile libssh2 against openssl on all platforms to improve overall key and crypto algorithm support
  • Fixed: spawning a new tab via the launcher menu failed because it used the pretty printed multiplexer domain label rather than the multiplexer domain name.
  • Fixed: macOS: middle mouse button wasn't recognized. Thanks to @guswynn! #599
  • New: added ActivateLastTab key assignment for jumping back to a previously active tab. Thanks to @alexgartrell #610
  • Fixed: added missing XTSMGRAPHICS query/response for sixel support #609
  • Fixed: avoid showing an error dialog for synthesized font_rules when the configuration specifies a font that doesn't have bold/italic variants. #617
  • New: mouse cursor hides when keyboard input is sent to a pane, and shows again when the mouse is moved. #618
  • Fixed: macOS: CTRL-Tab key combination was not recognized. #630
  • Fixed: wezterm-mux-server will now continue running even after all tabs/panes have been closed. #631
  • Fixed: macOS: wezterm-gui could linger in the background until the mouse moves after all tabs/panes have closed
  • Fixed: when using line_height, wezterm now vertically centers the cell rather than padding only the top #582
  • Fixed: macOS: in US layouts, SUPER+SHIFT+[ was incorrectly recognized as SUPER+SHIFT+{ instead of SUPER+{ #601
  • Fixed: wezterm.config_dir was returning the config file path instead of the directory!
  • New: wezterm.config_file which returns the config file path

20210314-114017-04b7cedd

  • New: tab_bar_style allows customizing the appearance of the rest of tha tab bar.
  • New: animated gif and png images displayed via wezterm imgcat (the iTerm2 image protocol), or attached to the window background via window_background_image will now animate while the window has focus.
  • New: added foreground_text_hsb setting to adjust hue, saturation and brightness when text is rendered.
  • New: added ResetFontAndWindowSize key assignment.
  • New: added ScrollByLine key assignment.
  • New: OSC 777 and OSC 9 escapes now generate Toast Notifications. printf "\e]777;notify;%s;%s\e\\" "title" "body" and printf "\e]9;%s\e\\" "hello there". These don't currently pass through multiplexer connections. #489.
  • New: exit_behavior config option to keep panes open after the program has completed. #499
  • New: added --config name=value options to wezterm, wezterm-gui and wezterm-mux-server. The --front-end, --font-locator, --font-rasterizer and --font-shaper CLI options have been removed in favor of this new mechanism.
  • New: window:set_config_overrides method that can be used to override GUI related configuration options on a per-window basis. Click through to see examples of dynamically toggling ligatures and window opacity. #469 #329
  • New: introduced custom_block_glyphs option to ensure that block glyphs don't have gaps. #433
  • New: you can now drag the wezterm window via the tab bar
  • New: holding SUPER+Drag (or CTRL+SHIFT+Drag) will drag the wezterm window. Use StartWindowDrag to configure your own binding.
  • New: configure window_decorations to remove the title bar and/or window border
  • New: we now bundle PowerlineExtraSymbols as a built-in fallback font, so that you can use powerline glyphs with any font without patching the font.
  • New: window:set_right_status allows setting additional status information in the tab bar. #500
  • New: Search Mode: Added CTRL-u key assignment to clear the current search pattern. Thanks to @bew! #465
  • Fonts: font_antialias and font_hinting are now deprecated in favor of the new freetype_load_target and freetype_load_flags options. The deprecated options have no effect and will be removed in a future release. The new options provide more direct control over how freetype rasterizes text.
  • Fonts: when computing default font_rules for bold and italic fonts, strip italic and bold components from the family name. eg: if you set font = wezterm.font("Source Code Pro Medium") then the Medium text will be stripped from the font name used to locate bold and italic variants so that we don't report an error loading a non-sensical Source Code Pro Medium Bold. #456
  • Fonts: fix a regression where bright windows behind wezterm could "shine through" on the alpha channel, and adjust the tinting operation to avoid anti-aliased dark fringes #470 #491
  • Fonts: macOS: fix an issue where wezterm could hang when loading a font located via Core Text #475
  • Fonts: Changed the default font_size to 12 points. #517
  • Fonts: Updated bundled JetBrainsMono font to version 2.225
  • Added --config-file CLI option to specify an alternate config file location. Read more about config file resolution. Thanks to @bew! #459
  • OSC 52 (Clipboard manipulation) now respects the difference between PRIMARY and CLIPBOARD on X11 systems.
  • Fixed an issue where large pastes could result in a hang
  • Closing the configuration error window no longer requires confirmation
  • Fixed: an issue where the window would be redrawn on mouse move. This was most noticeable as a laggy mouse pointer when moving the mouse across a window running on the nouveau display driver on X11 and Wayland systems
  • Fixed: an issue where closing a pane would immediately SIGKILL the associated process, rather than sending SIGHUP. Thanks to @bew!
  • Fixed: line-based mouse selection (default: triple click) now extends forwards to include wrapped lines. #466
  • Fixed: the RIS escape wasn't clearing the scrollback. #511
  • Wayland: fixed opengl context creation issues. Thanks to @unrelentingtech! #481
  • Wayland: the raw key modifiers are now correctly propagated so that they activate when used with key assignments using the key = "raw:123" binding syntax.
  • Wayland: fixed window decoration and full screen handling #224
  • Wayland: fixed an issue where key repeat processing could "run away" and hang the application
  • Windows: the portable .zip file download now includes ANGLE EGL, just like the setup.exe installer has done since version 20201031-154415-9614e117
  • Windows: Fixed ToggleFullScreen so that it once again toggles between full screen and normal placement. #177
  • Windows: fix the unexpected default behavior of Ctrl-Alt being converted to AltGr for layouts supporting this key, the previous behavior is still possible by enabling the option treat_left_ctrlalt_as_altgr (to solve #392). Thanks to @bew! #512
  • Windows: fixed "Open WezTerm Here" context menu in explorer when used on the root of a drive (eg: C:\). Thanks to @flyxyz123! #526 #451
  • X11: fix an issue where SHIFT-Enter was not recognized #516
  • X11: improved DPI detection for high-DPI displays. #515
  • X11: we now load the XCursor themes when possible, which means that the mouse cursor is now generally a bit larger and clearer as well as conforming more with the prevailing style of the desktop environment. #524
  • Improved and optimized image processing so that watching videos via timg - Terminal Image and Video Viewer works better #537 #535 #534

20210203-095643-70a364eb

  • Fix cursor position after using iTerm2 image protocol #317
  • Fix pixel dimensions after changing the pane size; this was mostly invisible but impacted image scaling when using sixel or iTerm2 image protocols. #312
  • Add support for OSC 133 which allows annotating output as Output, Input (that you typed) and Prompt (shell "chrome"). Learn more about Semantic prompt and OSC 133
  • Add ScrollToPrompt key assignment that scrolls the viewport to the prior/next shell prompt emitted using OSC 133 Semantic Prompt escapes. This assignment is not bound by default.
  • Fixed an issue where SpawnWindow didn't use the current working directory from the current pane to spawn the new window
  • Added wezterm start --class CLASSNAME option to specify the window class name under X11 and Windows, or the app_id under Wayland. See wezterm start --help for more information.
  • Added shell integration for setting OSC 7 (working directory) and OSC 133 (semantic zones) for Zsh and Bash. See Shell Integration docs.
  • Added SemanticZone as a possible parameter for SelectTextAtMouseCursor, making it possible to conveniently select complete input or output regions.
  • Improved font rendering #320 #331 #413 and changed font_antialias = "Greyscale" by default.
  • Updated internal harfbuzz shaper to 2.7.2
  • Fixed ALT-Escape not sending ESC-ESC #338
  • Added allow_square_glyphs_to_overflow_width = "WhenFollowedBySpace" option to allow square symbol glyphs to deliberately overflow their specified cell width when the next cell is a space. Can be set to Always to allow overflowing regardless of the next cell being a space, or Never to strictly respect the cell width. The default is Never. #342
  • macOS: Improved key input when Option is pressed. Fixed dead key processing when use_ime=true. #357
  • macOS: Adjusted default dpi to 72 to bring point sizes into alignment with other macOS apps. #332
  • Improved font fallback; we now try harder to find a system-provided font for glyphs that are not found in your explicitly configured fonts.
  • Revised pty output processing and removed the related ratelimit_output_bytes_per_second option
  • Workaround Cocoa leaking window position saved state file descriptors to child processes on macOS Big Sur, and Gnome/Mutter doing something similar under X11
  • The 256 color cube now uses slightly brighter colors #348
  • New: added line_height configuration option to scale the computed cell height. The default is 1.0, resulting in using the font-specified metrics. Setting it to 1.2 will result in a 20% larger cell height.
  • macOS: Fixed an issue where hovering over the split between panes could result in wezterm becoming unresponsive #391
  • Closing windows and QuitApplication will now prompt for confirmation before proceeding with the close/quit. Added window_close_confirmation to control this; valid values are AlwaysPrompt and NeverPrompt. #280
  • Tidied up logging. Previously ERROR level logging was used to make sure that informational things showed up in the stderr stream. Now we use INFO level logging for this to avoid alarming the user. You can set WEZTERM_LOG=trace in the environment to get more verbose logging for troubleshooting purposes.
  • Windows: fix an issue where VNC-server-emulated AltGr was not treated as AltGr #392
  • X11: fix an issue where keys that produce unicode characters retained SHIFT as a modifier instead of normalizing it away. #394
  • Fixed an issue where a symbol-only font would be seen as 0-width and panic wezterm #404
  • Tweaked mouse selection: we now round the x-coordinate to the nearest cell which makes it a bit more forgiving if the mouse cursor is slightly to the left of the intended cell start. #350
  • Added selection_word_boundary option to control double-click word selection boundaries. The default is \t\n{}[]()"'`. #405
  • Added support for Curly, Dotted and Dashed underlines. See this documentation on the escape sequences how enable undercurl support in vim and nvim. #415
  • Fixed an issue where wezterm would spawn processes with umask 077 on unix systems, rather than the more commonly expected umask 022. #416
  • macOS: We now ship a Universal binary containing both Intel and "Apple Silicon" architectures
  • Setting a really large or really small font scale (using CTRL +/-) no longer causes a panic #428
  • Fixed an issue where the mouse wheel wasn't mapped to cursor up/down when the alternate screen was active #429
  • Fixed ToggleFullScreen not working on macOS and X11. It still doesn't function on Windows. native_macos_fullscreen_mode = false uses a fast full-screen window on macOS. Set it to true to use the slower macOS native "Spaces" style fullscreen mode. #177
  • Windows: fix an issue where the initial window size didn't factor the correct DPI when the system-wide display scaling was not 100%. #427
  • New: adjust_window_size_when_changing_font_size option to control whether changing the font size adjusts the dimensions of the window (true) or adjusts the number of terminal rows/columns (false). The default is true. #431
  • macOS: we no longer use MetalANGLE to render the gui; it was short lived as macOS Big Sur now uses Metal in its CGL implementation. Support for using MetalANGLE is still present if the dylib is found on startup, but we no longer ship the dylib.
  • Windows: when pasting text, ensure that the text has CRLF line endings unless bracketed paste is enabled. This imperfect heuristic helps to keep multi-line pastes on multiple lines when using Windows console applications and to avoid interleaved blank lines when using unix applications. #411
  • New: ClearScrollback now accepts a parameter to control whether the viewport is cleared along with the scrollback. Thanks to @dfrankland!
  • New: default_cwd to specify an alternative current working directory. Thanks to @dfrankland!
  • New: CopyTo and PasteFrom actions. Copy, Paste and PastePrimarySelection are now deprecated in favor of these new options.
  • X11: Mouse-based selection now copies-to and pastes-from the PrimarySelection by default. The CompleteSelection and CompleteSelectionOrOpenLinkAtMouseCursor actions now require a parameter to specify the clipboard.
  • X11: SHIFT-CTRL-C and SHIFT-CTRL-V now copy-to and paste from the Clipboard by default. SHIFT-Insert pastes from the PrimarySelection by default.
  • New: Added a new default CTRL-Insert key assignment bound to CopyTo(PrimarySelection)
  • macOS: Windows now have drop-shadows when they are opaque. These were disabled due transparency support was added. Thanks to Rice! #445
  • Unix: adjust font-config patterns to also match "dual spacing" fonts such as Iosevka Term. Thanks to Leiser! #446
  • New: Added alternate_buffer_wheel_scroll_speed option to control how many cursor key presses are generated by the mouse wheel when the alternate screen is active. The new default for this is a faster-than-previous-releases 3 lines per wheel tick. #432
  • macOS: Dead Keys are now processed even when use_ime=false. More details in the docs. #410.
  • X11: attempt to load cursors from the XCursor.theme resource specified on the root window #524
  • Added file:// URL matching to the default list of implicit hyperlink rules #525

20201101-103216-403d002d

  • Whoops! fixed a crash on macOS when using multiple windows in the new Metal renderer #316

20201031-154415-9614e117

  • New: split/pane support! CTRL+SHIFT+ALT+" to SplitVertical, and CTRL+SHIFT+ALT+% to SplitHorizontal.
  • New: LEADER modifier key support
  • New: window_background_opacity and window_background_image options to control using background images, transparent windows. More info
  • New color schemes: Dracula+, Gruvbox Light, MaterialDarker, Overnight Slumber, Popping and Locking, Rapture, jubi, nord.
  • New: expanded lua API allows handling URI clicks and keyboard events with lua callbacks. See wezterm.on docs.
  • The GUI layer now normalizes SHIFT state for keyboard processing. If a keypress is ASCII uppercase and SHIFT is held then the SHIFT modifier is removed from the set of active modifiers. This has implications for your key assignment configuration; previously you would write {key="T", mods="CTRL|SHIFT"}, after updating to this release you need to write {key="T", mods="CTRL"} in order for your key bindings to take effect.
  • Added show_tab_index_in_tab_bar option which defaults to true. Causes the tab's ordinal index to be prefixed to tab titles. The displayed number is 1-based. You can set tab_and_split_indices_are_zero_based=true if you prefer the number to be zero based.
  • On Linux and macOS systems, wezterm can now attempt to guess the current working directory that should be set in newly spawned local panes/tabs, in case you don't have OSC 7 integration setup in your shell.
  • We now bundle JetBrains Mono and use it as the default font, and add it as a default fallback font. Similarly, we also bundle Noto Color Emoji as a default fallback for emoji.
  • Added automatically_reload_config=false option to disable automatic config reloading. When set to false, you will need to manually trigger a config reload (default: SUPER+R or CTRL+SHIFT+R)
  • CloseCurrentTab now requires a confirm parameter.
  • Halved the memory usage requirements per Cell in the common case (saving 32 bytes per cell), which gives more headroom for users with large scrollback.
  • Reduced initial GPU VRAM requirement to 2MiB. Improved texture allocation to avoid needing lots of VRAM.
  • macOS: Fix issue where new windows would open as Cocoa tabs when wezterm was maximized.
  • macOS: Fix issue where wezterm wouldn't adjust to DPI changes when dragging across monitors or the screen resolution changed
  • macOS: Reduced trackpad based scrolling sensitivity; it was hyper sensitive in previous releases, and now it is more reasonable.
  • Fix an issue where EGL failed to initialize on Linux
  • If EGL/WGL/OpenGL fail to initialize, we now try to fallback to Mesa OpenGL in software render mode. This should result in its llvmpipe renderer being used as a fallback, which has improved visuals compared to wezterm's own basic CPU based renderer. (This applies to X11/Wayland and Windows systems).
  • Setting front_end="Software" will try to use the Mesa OpenGL software renderer if available (X11/Wayland/Windows). The old basic CPU renderer has been removed.
  • The multiplexer server has been moved into its own wezterm-mux-server executable. You will need to revise your serve_command configuration.
  • Windows: when started in an RDP session, force the use of the Mesa software renderer to work around problems with RDP GPU emulation.
  • Fixed an issue with TLS Multiplexing where bootstrapping certificates would usually fail.
  • Windows: Fixed an issue that prevented ALT-Space from showing the system menu in the window.
  • Windows: Fixed dead key handling. By default dead keys behave the same as in other programs and produce diacritics. However, setting use_dead_keys = false in the config will cause dead keys to behave like a regular key; eg: ^ would just emit ^ as its own character.
  • Windows: Fixed an issue with the Hide key assignment; it would hide the window with no way to show it again! Hide now minimizes the window instead.
  • macOS: we now use Metal to render the gui, via MetalANGLE
  • Windows: we now prefer to use Direct3D11 to render the gui, via ANGLE EGL. The primary benefit of this is that upgrading your graphics drivers while you have a stateful wezterm session will no longer terminate the wezterm process. Resize behavior is not as smooth with ANGLE as the prior WGL. If you wish, you can set prefer_egl = false to use WGL.
  • Improved image protocol support to have better render fidelity and to reduce VRAM usage when the same image it displayed multiple times in the same pane.

20200909-002054-4c9af461

  • Added support for OSC 1 (Icon Title changing), and changed how that interacts with OSC 2 (Window Title changing). If you specify OSC 1 as a non-empty string, then that will be used for the title of that terminal instance in the GUI. Otherwise the Window Title will be reported instead.
  • Added missing mappings for Application Keypad keys on Linux
  • Workaround an EGL issue where Mesa reports the least-best alpha value when enumerating configs, rather than the best alpha. This could lead to incorrect alpha under XWayland and failure to initialize EGL and fallbacks to the Software renderer in some other cases.
  • enable_wayland now defaults to false; mutter keeps breaking client-side window decoration so let's just make it opt-in so that the default experience is better.
  • Fixed a crash on Linux/X11 when using wezterm connect HOST
  • Added tab_max_width config setting to limit the maximum width of tabs in the tab bar. This defaults to 16 glyphs in width.

20200718-095447-d2315640

  • Added support for DECSET 1004 Focus Reporting to local (not multiplexer) terminal sessions.
  • Added support for SGR 53/55 which enable/disable Overline style. printf "\x1b[53moverline\x1b[0m\n"
  • Windows: updated bundled openconsole.exe to efb1fdd to resolve an issue where bold text didn't respect the configured color scheme.
  • Added bold_brightens_ansi_colors option to allow disabling the automatic brightening of bold text.
  • Unix: fix an issue where setting the current working directory for a custom spawned command would not take effect (thanks @john01dav!)
  • Windows: fixed buffering/timing issue where a response to a color query in vim could be misinterpreted and replace a character in the editor with the letter g.
  • X11: Improved support for non-24bpp display depths. WezTerm now tries harder to obtain an 8bpc surface on both 16bpp and 30bpp (10bpc) displays.
  • Windows: fixed falling back to a simpler OpenGL context if WGL is unable to negotiate a robust context. This is useful on systems with dual high/low power GPU hardware where the OpenGL versions for the two GPUs are different!
  • Color Schemes: synced with ea2c841 which includes new schemes: Adventure, Banana Blueberry, Blue Matrix, BlueBerryPie, Cyberdyne, Django, DjangoRebornAgain, DjangoSmooth, DoomOne, Konsolas, Laser, Mirage, Rouge 2, Sakura, Scarlet Protocol, synthwave-everything, Tinacious Design (Dark), Tinacious Design (Light).

20200620-160318-e00b076c

  • Fixed default mapping of ambiguous ctrl key combinations (i, m, [, {, @) so that they emit the old school tab, newline, escape etc. values. These got broken as part of prototyping CSI-u support a while back.
  • Added option to enable CSI-u key encodings. This is a new mapping scheme defined here http://www.leonerd.org.uk/hacks/fixterms/ that disambiguates and otherwise enables more key binding combinations. You can enable this setting using enable_csi_u_key_encoding = true in your config file.
  • Very early support for sixel graphics
  • macos: use_ime now defaults to false; this is a better out of the box experience for most users.
  • macos: we now attempt to set a reasonable default LANG environment based on the locale settings at the time that wezterm is launched.
  • macos: introduce send_composed_key_when_left_alt_is_pressed and send_composed_key_when_right_alt_is_pressed boolean config settings. Like the existing send_composed_key_when_alt_is_pressed option, these control whether the Alt or Option modifier produce composed output or generate the raw key position with the ALT modifier applied. The difference from the existing config option is that on systems where Left and Right Alt can be distinguished you now have the ability to control this behavior independently. The default behavior on these systems is send_composed_key_when_left_alt_is_pressed=false and send_composed_key_when_right_alt_is_pressed=true so that the right Alt key behaves more like an AltGr key and generates the composed input, while the Left Alt is regular uncomposed Alt.
  • Fonts: fixed an issue where specifying italic or bold in the second parameter of wezterm.font didn't work as intended or documented
  • Improved terminal emulation conformance; added left/right margin support and now passes esctest to a similar degree as iTerm2
  • Fixed an issue where unmodified F5+ would use the CSI-u encoded-modifiers format, and confused eg: htop.
  • ActivateTab now accepts negative numbers as a way to reference the last tab in the Window. The default assignment for CTRL+SHIFT+9 and CMD+9 is now ActivateTab=-1, which selects the last tab.
  • Fixed an issue when applying hyperlink rules to lines that had mixed width characters

20200607-144723-74889cd4

  • Windows: Fixed AltGr handling for European layouts
  • X11: Added PastePrimarySelection key assignment that pastes the contents of the primary selection rather than the clipboard.
  • Removed old TOML config file parsing code
  • Removed old arg="something" key binding parameter. This was a remnant from the TOML based configuration. You're unlikely to notice this unless you followed an example from the docs; migrate instead to using eg: action=wezterm.action{ActivateTab=i-1} to pass the integer argument.
  • Windows: now also available with a setup.exe installer. The installer enables "Open WezTerm Here" in the explorer.exe context menu.
  • Added ClearScrollback key assignment to clear the scrollback. This is bound to CMD-K and CTRL-SHIFT-K by default.
  • Added Search key assignment to search the scrollback. Read the new scrollback section for more information!
  • Fixed an issue where ALT+number would send the wrong output for European keyboard layouts on macOS and Linux. As part of this the default behavior has changed: we used to force ALT+number to produce ALT+number instead of the composed key for that layout. We now emit the composed key by default. You can switch to the old behavior either by explicitly binding those keys or by setting send_composed_key_when_alt_is_pressed = false in your configuration file.
  • Windows: the launcher menu now automatically lists out any WSL environments you have installed so that you can quickly spawn a shell in any of them. You can suppress this behavior if you wish by setting add_wsl_distributions_to_launch_menu = false. Read more about the launcher menu
  • Added ActivateCopyMode key assignment to put the tab into mouseless-copy mode; use the keyboard to define the selected text region. This is bound to CTRL-SHIFT-X by default.

20200517-122836-92c201c6

  • AppImage: Support looking for configuration in WezTerm.AppImage.config and WezTerm.AppImage.home to support portable thumbdrive use of wezterm on linux systems
  • We now check the github releases section for updated stable releases and show a simple UI to let you know about the update, with links to download/install it. We don't automatically download the release: just make a small REST API call to github. There is no data collection performed by the wezterm project as part of this. We check once every 24 hours. You can set check_for_updates = false in your config to disable this completely if desired, or set check_for_updates_interval_seconds to an alternative update interval.
  • Added support for OSC 110-119 to reset dynamic colors, improving our support for Neovim.
  • Change OSC rendering to use the long-form ST sequence ESC \ rather than the more convenient alternative BEL representation, which was not recognized by Neovim when querying for color information.
  • Fixed Shift-Tab key on X11 and Wayland
  • WezTerm is now also available to Windows users via Scoop

20200503-171512-b13ef15f

  • Added the launch_menu configuration for the launcher menu as described in Launching Programs.
  • Fixed a crash when reloading a config with enable_tab_bar=false
  • Fixed missing icon when running under X11 and Wayland
  • Wayland client-side-decorations improved and now also render window title
  • Implicitly SGR reset when switching alt and primary screen
  • Improved config error reporting UI: we now show just a single window with all errors rather than one window per failed reload.

20200406-151651-5b700e4

  • Added lua based configuration. Reading TOML configuration will be rapidly phased out in favor of the more flexible lua config; for now, both are supported, but new features may not be available via TOML.
  • Added launcher overlay. Right click the + button on the tab bar or bind a key to ShowLauncher to activate it. It allows spawning tabs in various domains as well as attaching multiplexer sessions that were not connected automatically at startup.
  • Windows: we now support mouse reporting on Windows native ptys. For this to work, conpty.dll and OpenConsole.exe must be present alongside wezterm.exe when starting wezterm.
  • Added initial_rows and initial_cols config options to set the starting size of new terminal windows
  • Added hide_tab_bar_if_only_one_tab = true config option to hide the tab bar when the window contains only a single tab.
  • Added HideApplication key action (defaults to CMD-H on macOS only) which hides the wezterm application. This is macOS specific.
  • Added QuitApplication key action which causes the gui loop to terminate and the application to exit. This is not bound by default, but you may choose to assign it to something like CMD-Q.
  • Added set_environment_variables configuration section to allow defining some environment variables to be passed to your shell.
  • Improved connectivity UI that shows ssh and mux connection progress/status
  • Fixed a bug where the baud rate was not applied when opening a serial port
  • Added predictive local echo to the multiplexer for higher latency connections
  • We now grey out the UI for lagging multiplexer connections
  • Set an upper bound on the memory usage for multiplexer connections

20200202-181957-765184e5

  • Improved font shaping performance 2-3x by adding a shaper cache
  • Windows: now has support for TLS based multiplexer connections
  • Multiplexer: TLS multiplexer can now be bootstrapped via SSH, and automatically manages certificates
  • Unix: We now default to spawning shells with the -l argument to request a login shell. This is important on macOS where the default GUI environment doesn't source a working PATH from the shell, resulting in an anemic PATH unless the user has taken care to cover this in their shell startup. -l works to enable a login shell in zsh, bash, fish and tcsh. If it doesn't work with your shell, you can use the default_prog configuration option to override this.
  • We now accept rgb:XX/XX/XX color syntax for OSC 4 and related escape sequences; previously only #XXXXXX and named colors were accepted.
  • We now accept OSC 104 to reset custom colors to their defaults.
  • Added Tab Navigator overlay for folks that hoard tabs; it presents an interactive UI for selecting and activating a tab from a vertically oriented list. This is bound to Alt-9 by default.
  • Added support for DEC Origin Mode (DECOM) which improves cursor positioning with some applications
  • Added support for DEC AutoWrap Mode (DECAWM) which was previously always on. This improves rendering for applications that explicitly disable it.
  • We now show a connection status window while establishing MUX and SSH connections. The status window is also where any interactive authentication is carried out for eg: SSH sessions.
  • Improved SSH authentication handling; we now give you a few opportunities to authenticate and are now able to successfully authenticate with sites that have configured 2-Factor authentication in their server side SSH configuration.
  • Fixed an issue where SHIFT-Space would swallow the space key.
  • Nightly builds are now available for Linux in AppImage format.
  • Shift+Left Mouse button can now be used to extend the selection to the clicked location. This is particularly helpful when you want to select something that is larger than the viewport.
  • Windows: a single mouse wheel tick now scrolls by the number of positions configured in the Windows system settings (default 3)
  • Windows: fixed IME position when the tab bar is enabled
  • Windows: removed support for WinPty, which was too difficult to obtain, configure and use.
  • Configuration errors now show in a separate window on startup, or when the configuration is reloaded
  • Improved reliability and performance of MUX sessions, although they still have room for further improvement

20200113-214446-bb6251f

  • Added color_scheme configuration option and more than 200 color schemes
  • Improved resize behavior; lines that were split due to the width of the terminal are now rewrapped on resize. Issue 14
  • Double-click and triple-click and hold followed by a drag now extends the selection by word and line respectively.
  • The OSC 7 (CurrentWorkingDirectory) escape sequence is now supported; wezterm records the cwd in a tab and that will be used to set the working directory when spawning new tabs in the same domain. You will need to configure your shell to emit OSC 7 when appropriate.
  • Changed Backspace/Delete handling
  • Added MoveTabRelative for changing the ordering of tabs within a window using key assignments CTRL+SHIFT+PageUp and CTRL+SHIFT+PageDown
  • The multiplexer protocol is undergoing major changes. The multiplexer will now raise an error if the client and server are incompatible.
  • Fixed an issue where wezterm would linger for a few seconds after the last tab was closed
  • Fixed an issue where wezterm wouldn't repaint the screen after a tab was closed
  • Clicking the OS window close button in the titlebar now closes the window rather than the active tab
  • Added use_ime option to optionally disable the use of the IME on macOS. You might consider enabling this if you don't like the way that the IME swallows key repeats for some keys.
  • Fix an issue where the pidfile would leak into child processes and block restarting the mux server
  • Fix an issue where the title bars of remote tabs were not picked up at domain attach time
  • Fixed selection and scrollbar position for multiplexer tabs
  • Added ScrollByPage key assignment and moved the SHIFT+PageUp handling up to the gui layer so that it can be rebound.
  • X11: a single mouse wheel tick now scrolls by 5 rows rather than 1
  • Wayland: normalize line endings to unix line endings when pasting
  • Windows: fixed handling of focus related messages, which impacted both the appearance of the text cursor and copy and paste handling.
  • When hovering over implicitly hyperlinked items, we no longer show the underline for every other URL with the same destination

20191229-193639-e7aa2f3

  • Fixed a hang when using middle mouse button to paste
  • Recognize 8-bit C1 codes encoded as UTF-8, which are used in the Fedora 31 bash prexec notification for gnome terminal
  • Ensure that underlines are a minimum of 1 pixel tall
  • Reduced CPU utilization on some Wayland compositors
  • Added $WEZTERM_CONFIG_FILE to the start of the config file search path
  • Added new font rendering options:
font_antialias = "Subpixel" # None, Greyscale, Subpixel
font_hinting = "Full" # None, Vertical, VerticalSubpixel, Full
  • Early startup errors now generate a "toast" notification, giving you more of a clue about what went wrong
  • We now use the default configuration if the config file had errors, rather than refusing to start
  • Wayland compositors: Improved detection of display scaling on startup
  • Added harfbuzz_features option to specify stylistic sets for fonts such as Fira Code, and to control various typographical options
  • Added a window_padding config section to add padding to the window display
  • We now respect DECSCUSR and DECTCEM escape sequence to select between hidden, block, underline and bar cursor types, as well as blinking cursors. New configuration options have been added to control the appearance and blink rate.
  • We now support an optional basic scroll bar. The scroll bar occupies the right window padding and has a configurable color. Scroll bars are not yet supported for multiplexer connections and remain disabled by default for the moment.
  • Color scheme changes made in the config file now take effect at config reload time for all tabs that have not applied a dynamic color scheme.

20191218-101156-bf35707

  • Configuration errors detected during config loading are now shown as a system notification
  • New font_dirs configuration option to specify a set of dirs to search for fonts. Useful for self-contained wezterm deployments.
  • The font_system option has been split into font_locator, font_shaper and font_rasterizer options.
  • Don't allow child processes to inherit open font files on posix systems!
  • Disable Nagle's algorithm for wezterm ssh sessions
  • Add native Wayland window system support

20191124-233250-cb9fd7d

  • New tab bar UI displays tabs and allows creating new tabs
  • Configuration file changes are hot reloaded and take effect automatically on save
  • wezterm ssh user@host for ad-hoc SSH sessions. You may also define SSH multiplexer sessions.
  • wezterm serial /dev/ttyUSB0 to connect to your Arduino
  • wezterm imgcat /some/image.png to display images inline in the terminal using the iTerm2 image protocol
  • IME support on macOS and Windows systems
  • Automatic fallback to software rendering if no GPU is available (eg: certain types of remote desktop sessions)

Configuration Files

wezterm will look for a lua configuration file using the logic shown below.

The recommendation is to place your configuration file at $HOME/.wezterm.lua to get started.

More complex configurations that need to span multiple files can be placed in $XDG_CONFIG_HOME/wezterm/wezterm.lua (for X11/Wayland) or $HOME/.config/wezterm/wezterm.lua (for all other systems).

graph TD
  X[Locate Configuration file] --> A{{--config-file CLI argument specified?}}
  A -->|Yes| B{{Can that file be loaded?}}
  B -->|Yes| C[Use it]
  B -->|No| D[Use built-in default configuration]
  A -->|No| E{{$WEZTERM_CONFIG_FILE<br/>environment set?}}
  E -->|Yes| B
  E -->|No| F{{"Running on Windows and<br/>wezterm.lua exists in same<br/>dir as wezterm.exe?<br/>(Thumb drive mode)"}}
  F -->|Yes| B
  F -->|No| H{{Is $XDG_CONFIG_HOME<br/>environment set and<br/>wezterm/wezterm.lua<br/>exists inside it?}}
  H -->|Yes| C
  J --> B
  H -->|No| K{{Does $HOME/.config/wezterm/wezterm.lua exist?}}
  K -->|Yes| B
  K -->|No| J[Use $HOME/.wezterm.lua]

Prior to version 20210314-114017-04b7cedd, if the candidate file exists but failed to parse, wezterm would treat it as though it didn't exist and continue to try other candidate file locations. In all current versions of wezterm, an error will be shown and the default configuration will be used instead.

Note that on Windows, to support uses that carry their wezterm application and configuration around on a thumb drive, wezterm will look for the config file in the same location as wezterm.exe. That is shown in the chart above as thumb drive mode.

wezterm will watch the config file that it loads; if/when it changes, the configuration will be automatically reloaded and the majority of options will take effect immediately. You may also use the CTRL+SHIFT+R keyboard shortcut to force the configuration to be reloaded.

The configuration file may be evaluated multiple times for each wezterm process both at startup and in response to the configuration file being reloaded. You should avoid taking actions in the main flow of the config file that have side effects; for example, unconditionally launching background processes can result in many of them being spawned over time if you launch many copies of wezterm, or are frequently reloading your config file.

Configuration Overrides

since: 20210314-114017-04b7cedd

wezterm allows overriding configuration values via the command line; here are a couple of examples:

$ wezterm --config enable_scroll_bar=true
$ wezterm --config 'exit_behavior="Hold"'

Configuration specified via the command line will always override the values provided by the configuration file, even if the configuration file is reloaded.

Each window can have an additional set of window-specific overrides applied to it by code in your configuration file. That's useful for eg: setting transparency or any other arbitrary option on a per-window basis. Read the window:set_config_overrides documentation for more information and examples of how to use that functionality.

Configuration File Structure

The wezterm.lua configuration file is a lua script which allows for a high degree of flexibility. The script is expected to return a configuration table, so a basic empty configuration file will look like this:

return {
}

Throughout these docs you'll find configuration fragments that demonstrate configuration and that look something like this:

return {
  color_scheme = "Batman",
}

and perhaps another one like this:

local wezterm = require 'wezterm';
return {
  font = wezterm.font("JetBrains Mono"),
}

If you wanted to use both of these in the same file, you would merge them together like this:

local wezterm = require 'wezterm';
return {
  font = wezterm.font("JetBrains Mono"),
  color_scheme = "Batman",
}

Launching Programs

By default, when opening new tabs or windows, your shell will be spawned.

Your shell is determined by the following rules:

On Posix Systems

  1. The value of the $SHELL environment variable is used if it is set
  2. Otherwise, it will resolve your current uid and try to look up your home directory from the password database.

wezterm will spawn the shell and pass -l as an argument to request a login shell. A login shell generally loads additional startup files and sets up more environment than a non-login shell.

Since: 20210502-154244-3f7122cb: instead of passing -l to the shell, wezterm will spawn the shell as -$SHELL to invoke it as a login shell.

Note: if you have recently changed your shell using chsh and you have $SHELL set in the environment, you will need to sign out and sign back in again for the environment to pick up your new $SHELL value.

On Windows Systems

  1. The value of the %COMSPEC% environment variable is used if it is set.
  2. Otherwise, cmd.exe

Changing the default program

If you'd like wezterm to run a different program than the shell as described above, you can use the default_prog config setting to specify the argument array; the array allows specifying the program and arguments portably:

return {
  -- Spawn a fish shell in login mode
  default_prog = {"/usr/local/bin/fish", "-l"},
}

Launching a different program as a one off via the CLI

If you want to make a shortcut for your desktop environment that will, for example, open an editor in wezterm you can use the start subcommand to launch it. This example opens up a new terminal window running vim to edit your wezterm configuration:

wezterm start -- vim ~/.wezterm.lua

Specifying the current working directory

If you'd like wezterm to start running a program in a specific working directory you can do so via the config, CLI, and when using SpawnCommand:

  • Setting the default_cwd via the config:

    return {
  default_cwd = "/some/path",
}

  • One off program in a specific working directory via the CLI:

    wezterm start --cwd /some/path

  • The SpawnCommandInNewTab, and SpawnCommandInNewWindow key assignments, and the Launcher Menu described below all accept a SpawnCommand object that accepts an optional cwd field:

    {
  label = "List files in /some/path",
  args = {"ls", "-al"},
  cwd = "/some/path",
}

Panes/Tabs/Windows created after the first will generally try to resolve the current working directory of the current Pane, preferring a value set by OSC 7 and falling back to attempting to lookup the cwd of the current process group leader attached to a local Pane. If no cwd can be resolved, then the default_cwd will be used. If default_cwd is not specified, then the home directory of the user will be used.

See default_cwd for an easier to understand visualization.

Passing Environment variables to the spawned program

The set_environment_variables configuration setting can be used to add environment variables to the environment of the spawned program.

The behavior is to take the environment of the wezterm process and then set the specified variables for the spawned process.

return {
  set_environment_variables = {
    -- This changes the default prompt for cmd.exe to report the
    -- current directory using OSC 7, show the current time and
    -- the current directory colored in the prompt.
    prompt = "$E]7;file://localhost/$P$E\\$E[32m$T$E[0m $E[35m$P$E[36m$_$G$E[0m "
  },
}

The Launcher Menu

The launcher menu is accessed from the new tab button in the tab bar UI; the + button to the right of the tabs. Left clicking on the button will spawn a new tab, but right clicking on it will open the launcher menu. You may also bind a key to the ShowLauncher or ShowLauncherArgs action to trigger the menu.

The launcher menu by default lists the various multiplexer domains and offers the option of connecting and spawning tabs/windows in those domains.

You can define your own entries using the launch_menu configuration setting. The snippet below adds two new entries to the menu; one that runs the top program to monitor process activity and a second one that explicitly launches the bash shell.

Each entry in launch_menu is an instance of a SpawnCommand object.

return {
  launch_menu = {
    {
      args = {"top"},
    },
    {
      -- Optional label to show in the launcher. If omitted, a label
      -- is derived from the `args`
      label = "Bash",
      -- The argument array to spawn.  If omitted the default program
      -- will be used as described in the documentation above
      args = {"bash", "-l"},

      -- You can specify an alternative current working directory;
      -- if you don't specify one then a default based on the OSC 7
      -- escape sequence will be used (see the Shell Integration
      -- docs), falling back to the home directory.
      -- cwd = "/some/path"

      -- You can override environment variables just for this command
      -- by setting this here.  It has the same semantics as the main
      -- set_environment_variables configuration option described above
      -- set_environment_variables = { FOO = "bar" },
    },
  }
}
Screenshot

Here's a fancy example that will add some helpful entries to the launcher menu when running on Windows:

since: 20200607-144723-74889cd4: The launcher menu automatically includes WSL entries by default, unless disabled using add_wsl_distributions_to_launch_menu = false.

local wezterm = require 'wezterm';

local launch_menu = {}

if wezterm.target_triple == "x86_64-pc-windows-msvc" then
  table.insert(launch_menu, {
    label = "PowerShell",
    args = {"powershell.exe", "-NoLogo"},
  })

  -- Find installed visual studio version(s) and add their compilation
  -- environment command prompts to the menu
  for _, vsvers in ipairs(wezterm.glob("Microsoft Visual Studio/20*", "C:/Program Files (x86)")) do
    local year = vsvers:gsub("Microsoft Visual Studio/", "")
    table.insert(launch_menu, {
      label = "x64 Native Tools VS " .. year,
      args = {"cmd.exe", "/k", "C:/Program Files (x86)/" .. vsvers .. "/BuildTools/VC/Auxiliary/Build/vcvars64.bat"},
    })
  end

  -- Enumerate any WSL distributions that are installed and add those to the menu
  local success, wsl_list, wsl_err = wezterm.run_child_process({"wsl.exe", "-l"})
  -- `wsl.exe -l` has a bug where it always outputs utf16:
  -- https://github.com/microsoft/WSL/issues/4607
  -- So we get to convert it
  wsl_list = wezterm.utf16_to_utf8(wsl_list)

  for idx, line in ipairs(wezterm.split_by_newlines(wsl_list)) do
    -- Skip the first line of output; it's just a header
    if idx > 1 then
      -- Remove the "(Default)" marker from the default line to arrive
      -- at the distribution name on its own
      local distro = line:gsub(" %(Default%)", "")

      -- Add an entry that will spawn into the distro with the default shell
      table.insert(launch_menu, {
        label = distro .. " (WSL default shell)",
        args = {"wsl.exe", "--distribution", distro},
      })

      -- Here's how to jump directly into some other program; in this example
      -- its a shell that probably isn't the default, but it could also be
      -- any other program that you want to run in that environment
      table.insert(launch_menu, {
        label = distro .. " (WSL zsh login shell)",
        args = {"wsl.exe", "--distribution", distro, "--exec", "/bin/zsh", "-l"},
      })
    end
  end
end

return {
  launch_menu = launch_menu,
}

WezTerm bundles JetBrains Mono, PowerlineExtraSymbols and Noto Color Emoji fonts and uses those for the default font configuration.

If you wish to use a different font face, then you can use the wezterm.font function to specify it:

local wezterm = require 'wezterm';

return {
  font = wezterm.font("Fira Code"),
  -- You can specify some parameters to influence the font selection;
  -- for example, this selects a Bold, Italic font variant.
  font = wezterm.font("JetBrains Mono", {weight="Bold", italic=true})
}

Fallback

WezTerm allows specifying an ordered list of fonts; when resolving text into glyphs the first font in the list is consulted, and if the glyph isn't present in that font, WezTerm proceeds to the next font in the fallback list.

The default fallback includes the popular PowerlineExtraSymbols font, which means that you don't need to use specially patched fonts to use the powerline glyphs.

You can specify your own fallback; that's useful if you've got a killer monospace font, but it doesn't have glyphs for the asian script that you sometimes work with:

local wezterm = require 'wezterm';
return {
  font = wezterm.font_with_fallback({
    "Fira Code",
    "DengXian",
  }),
}

WezTerm will still append its default fallback to whatever list you specify, so you needn't worry about replicating that list if you set your own fallback.

If none of the fonts in the fallback list (including WezTerm's default fallback list) contain a given glyph, then wezterm will resolve the system fallback list and try those fonts too. If a glyph cannot be resolved, wezterm will render a special "Last Resort" glyph as a placeholder. You may notice the placeholder appear momentarily and then refresh itself to the system fallback glyph on some systems.

Additional options for configuring fonts can be found elsewhere in the docs:

Troubleshooting Fonts

You may use wezterm ls-fonts to have wezterm explain information about which font files it will use for the different text styles.

It shows output like this:

$ wezterm ls-fonts
Primary font:
wezterm.font_with_fallback({
  -- /home/wez/.fonts/OperatorMonoSSmLig-Medium.otf, FontDirs
  {family="Operator Mono SSm Lig", weight="DemiLight"},

  -- /home/wez/.fonts/MaterialDesignIconsDesktop.ttf, FontDirs
  "Material Design Icons Desktop",

  -- /usr/share/fonts/jetbrains-mono-fonts/JetBrainsMono-Regular.ttf, FontConfig
  "JetBrains Mono",

  -- /usr/share/fonts/google-noto-emoji/NotoColorEmoji.ttf, FontConfig
  -- Assumed to have Emoji Presentation
  -- Pixel sizes: [128]
  "Noto Color Emoji",

  -- <built-in>, BuiltIn
  "Last Resort High-Efficiency",

})


When Intensity=Half Italic=true:
wezterm.font_with_fallback({
  -- /home/wez/.fonts/OperatorMonoSSmLig-BookItalic.otf, FontDirs
  {family="Operator Mono SSm Lig", weight=325, italic=true},

  -- /home/wez/.fonts/MaterialDesignIconsDesktop.ttf, FontDirs
  "Material Design Icons Desktop",

  -- /usr/share/fonts/jetbrains-mono-fonts/JetBrainsMono-Regular.ttf, FontConfig
  "JetBrains Mono",

  -- /usr/share/fonts/google-noto-emoji/NotoColorEmoji.ttf, FontConfig
  -- Assumed to have Emoji Presentation
  -- Pixel sizes: [128]
  "Noto Color Emoji",

  -- <built-in>, BuiltIn
  "Last Resort High-Efficiency",

})
...

You can ask wezterm to including a listing of all of the fonts on the system in a form that can be copied and pasted into the configuration file:

$ wezterm ls-fonts --list-system
<same output as above, but then:>
112 fonts found in your font_dirs + built-in fonts:
wezterm.font("Cascadia Code", {weight="ExtraLight", stretch="Normal", italic=false}) -- /home/wez/.fonts/CascadiaCode.ttf index=0 variation=1, FontDirs
wezterm.font("Cascadia Code", {weight="Light", stretch="Normal", italic=false}) -- /home/wez/.fonts/CascadiaCode.ttf index=0 variation=2, FontDirs
wezterm.font("Cascadia Code", {weight="DemiLight", stretch="Normal", italic=false}) -- /home/wez/.fonts/CascadiaCode.ttf index=0 variation=3, FontDirs
wezterm.font("Cascadia Code", {weight="Regular", stretch="Normal", italic=false}) -- /home/wez/.fonts/CascadiaCode.ttf index=0 variation=4, FontDirs
wezterm.font("Cascadia Code", {weight="DemiBold", stretch="Normal", italic=false}) -- /home/wez/.fonts/CascadiaCode.ttf index=0 variation=5, FontDirs
wezterm.font("Cascadia Code", {weight="Bold", stretch="Normal", italic=false}) -- /home/wez/.fonts/CascadiaCode.ttf index=0 variation=6, FontDirs
wezterm.font("Fira Code", {weight="Light", stretch="Normal", italic=false}) -- /home/wez/.fonts/FiraCode-Light.otf, FontDirs
wezterm.font("Fira Code", {weight="Regular", stretch="Normal", italic=false}) -- /home/wez/.fonts/FiraCode-Regular.otf, FontDirs
wezterm.font("Fira Code", {weight=450, stretch="Normal", italic=false}) -- /home/wez/.fonts/FiraCode-Retina.otf, FontDirs
wezterm.font("Fira Code", {weight="Medium", stretch="Normal", italic=false}) -- /home/wez/.fonts/FiraCode-Medium.otf, FontDirs
wezterm.font("Fira Code", {weight="Bold", stretch="Normal", italic=false}) -- /home/wez/.fonts/FiraCode-Bold.otf, FontDirs
wezterm.font("Font Awesome 5 Free", {weight="Black", stretch="Normal", italic=false}) -- /home/wez/.fonts/Font Awesome 5 Free-Solid-900.otf, FontDirs
...
690 system fonts found using FontConfig:
wezterm.font("Abyssinica SIL", {weight="Regular", stretch="Normal", italic=false}) -- /usr/share/fonts/sil-abyssinica-fonts/AbyssinicaSIL-R.ttf, FontConfig
wezterm.font("C059", {weight="Regular", stretch="Normal", italic=false}) -- /usr/share/fonts/urw-base35/C059-Bold.t1, FontConfig
wezterm.font("C059", {weight="Regular", stretch="Normal", italic=false}) -- /usr/share/fonts/urw-base35/C059-Roman.otf, FontConfig
wezterm.font("C059", {weight="Regular", stretch="Normal", italic=false}) -- /usr/share/fonts/urw-base35/C059-Roman.t1, FontConfig
wezterm.font("C059", {weight="Regular", stretch="Normal", italic=true}) -- /usr/share/fonts/urw-base35/C059-BdIta.t1, FontConfig
wezterm.font("C059", {weight="Regular", stretch="Normal", italic=true}) -- /usr/share/fonts/urw-base35/C059-Italic.otf, FontConfig
...

You may also display the shaping plan for a given text string; in this example, the a and the b are separated by a special symbol which is not present in the main font, so we expect to see a different font used for that glyph:

wezterm ls-fonts --text a🞄b
a    \u{61}       x_adv=8  glyph=29   wezterm.font("Operator Mono SSm Lig", {weight="DemiLight", stretch="Normal", italic=false})
                                      /home/wez/.fonts/OperatorMonoSSmLig-Medium.otf, FontDirs
🞄    \u{1f784}    x_adv=4  glyph=9129 wezterm.font("Symbola", {weight="Regular", stretch="SemiCondensed", italic=false})
                                      /usr/share/fonts/gdouros-symbola/Symbola.ttf, FontConfig
b    \u{62}       x_adv=8  glyph=30   wezterm.font("Operator Mono SSm Lig", {weight="DemiLight", stretch="Normal", italic=false})
                                      /home/wez/.fonts/OperatorMonoSSmLig-Medium.otf, FontDirs

Advanced Font Shaping Options

The harfbuzz_features option allows specifying the features to enable when using harfbuzz for font shaping.

There is some light documentation here: https://harfbuzz.github.io/shaping-opentype-features.html but it boils down to allowing opentype feature names to be specified using syntax similar to the CSS font-feature-settings options: https://developer.mozilla.org/en-US/docs/Web/CSS/font-feature-settings. The OpenType spec lists a number of features here: https://docs.microsoft.com/en-us/typography/opentype/spec/featurelist

Options of likely interest will be:

If you want to disable ligatures in most fonts, then you may want to use a setting like this:

return {
  harfbuzz_features = {"calt=0", "clig=0", "liga=0"},
}

Some fonts make available extended options via stylistic sets. If you use the Fira Code font, it lists available stylistic sets here: https://github.com/tonsky/FiraCode/wiki/How-to-enable-stylistic-sets

and you can set them in wezterm:

return {
  -- Use this for a zero with a dot rather than a line through it
  -- when using the Fira Code font
  harfbuzz_features = {"zero"}
}

Since: 20220101-133340-7edc5b5a

You can specify harfbuzz_features on a per-font basis, rather than globally for all fonts:

local wezterm = require 'wezterm'
return {
  font = wezterm.font({
    family="JetBrains Mono",
    harfbuzz_features={"calt=0", "clig=0", "liga=0"}
  })
}

and this example disables ligatures for JetBrains Mono, but keeps the default for the other fonts in the fallback:

local wezterm = require 'wezterm';

return {
  font = wezterm.font_with_fallback({
    {
       family="JetBrains Mono",
       weight="Medium",
       harfbuzz_features={"calt=0", "clig=0", "liga=0"}
    },
    {family="Terminus", weight="Bold"},
    "Noto Color Emoji"
  }),
}

Keyboard Concepts

wezterm allows assigning action(s) to specific key events, and comes pre-configured with a number of commonly useful assignments.

This page describes how key presses are handled and turned into actions or sent to the terminal as text.

It's important to understand these concepts when considering keyboard input; first, some operating system concepts:

  • Input Method Editor (IME) - An OS-provided service which allows for rich composition of input, often with a pop-over candidate selection window. This is commonly used for Asian input, but on some systems the IME may also be responsible for emoji input or dead keys. The IME may have multiple modes per language and those modes can be changed dynamically.
  • Keyboard Layout - An OS configuration that describes how to translate physical key button presses into inputs appropriate to the user's preferred input locale. The mapping performed by the layout is largely opaque to applications and, on most systems, can be changed dynamically.
  • Dead Key - a keyboard layout may define these modal keys which don't immediately produce output (and thus appears to be "dead"), but instead holds some state that will compose with a subsequently pressed key. Most commonly used for example in European layouts to produce accented versions of the plain latin alphabet.
  • Physical Key - a way to identify a key based on its hardware-dependent location. wezterm can refer to keys based on code they would emit if configured to use an ANSI US English keyboard layout (even if that layout is not currently active), or based on its raw scan code.
  • Mapped key - a way to identify a key after the keyboard layout has been applied by the OS.
  • Modifier - A key such as SHIFT, CTRL, CMD, ALT that can be held simultaneously while other keys are pressed. Modifier keys are special because keyboard hardware traditionally only supports those four modifiers, and that detail is ingrained into most OS input APIs.

And then some wezterm concepts:

  • Key Assignment - an action assigned to a matching key and modifier combination.
  • Key Table - a grouping of key assignments. For each window, wezterm maintains a stack of table activations, allowing for rich modal keyboard input customization

Keyboard Processing Flow

This schematic depicts the processing flow for keyboard events in wezterm:

flowchart TD
A[OS Generates a Key Event]
A --> B{{Is IME enabled?}}
B -->|Yes| C[Deliver event to IME] --> C1{{IME Response}}
B -->|No| F
C1 -->|Composed| D[Make RawKeyEvent from<br/> Composed text] --> RAW1
C1 -->|Composing| E[Render composing status]
C1 -->|Continue| F[Make RawKeyEvent] --> RAW1
RAW3 -->|No| DEAD1{{Does RawKeyEvent complete a dead-key?}}
DEAD1 -->|Yes| I[Make KeyEvent from<br/>expanded dead key] --> KEY1
DEAD1 -->|No| DEAD2{{Does RawKeyEvent start a dead-key?}}
DEAD2 -->|Yes| DEADCOMP[Render composing status]
DEAD2 -->|No| J[Make KeyEvent from RawKeyEvent] --> KEY1
KEY3 -->|No| M[Send key to terminal]

RAW1{{match a phys: mapping?}}
RAW1 -->|Yes| RAWDONE[Perform assignment action]
RAW1 -->|No| RAW2{{match a raw: mapping?}}
RAW2 -->|Yes| RAWDONE
RAW2 -->|No| RAW3{{match a mapped: mapping?}}
RAW3 -->|Yes| RAWDONE2[Perform assignment action]

KEY1{{match a phys: mapping?}}
KEY1 -->|Yes| KEYDONE[Perform assignment action]
KEY1 -->|No| KEY2{{match a raw: mapping?}}
KEY2 -->|Yes| KEYDONE
KEY2 -->|No| KEY3{{match a mapped: mapping?}}
KEY3 -->|Yes| KEYDONE2[Perform assignment action]

Alt / Option Key Behavior & Composed Keys

The operating system has its own user selectable keymap that is sometimes at odds with old-school terminal emulation that pre-dates internationalization as a concept. WezTerm tries to behave reasonably by default, but also give you control in other situations.

Layouts with an AltGr key

If you have, for example, a European keyboard layout with an AltGr key then wezterm will respect the composition effects of AltGr produced by the system. For example, in a German keymap, AltGr < will produce |.

If your physical keyboard doesn't match the keyboard layout (eg: using a US keyboard with DEU selected in the OS), then the right hand Alt key is often re-interpreted as having the AltGr function with behavior as described above.

The left Alt will be treated as a modifier with no composition effects.

Microsoft Windows and Ctrl-Alt <-> AltGr

If you are using VNC and a keyboard layout with dead keys, then you may wish to enable treat_left_ctrlalt_as_altgr.

macOS Left and Right Option Key

since: 20200620-160318-e00b076c

The default behavior is to treat the left Option key as the Alt modifier with no composition effects, while the right Option key performs composition (making it approximately equivalent to AltGr on other operating systems).

You can control this behavior in your configuration:

return {
  send_composed_key_when_left_alt_is_pressed=false,
  send_composed_key_when_right_alt_is_pressed=true,
}

since: 20210203-095643-70a364eb

WezTerm is now able to perform dead-key expansion when use_ime = false. Dead keys are treated as composition effects, so with the default settings of send_composed_key_when_left_alt_is_pressed and send_composed_key_when_right_alt_is_pressed above, in a US layout, Left-Opt n will produce Alt N and Right-Opt n will will for a subsequent key press before generating an event; Right-Opt n SPACE will emit ~ whereas Right-Opt n n will emit ñ.

You may also set use_dead_keys = false to skip the hold state; continuing the example above, Right-Opt n will then immediately produce ~.

Input Method Editor (IME)

WezTerm has support for using the operating system Input Method Editor (IME) on some operating systems.

The use_ime docs have more information.

Dead Keys

since: 20201031-154415-9614e117

By default, if you are using a layout with dead keys (eg: US International layout, or a number of European layouts such as German or French) pressing a dead key in wezterm will "hold" the dead key until the next character is pressed, resulting in a combined character with a diacritic. For example, pressing ^ and then e will produce ê. Pressing ^ then SPACE will produce ^ on its own.

If you are a heavy user of Vi style editors then you may wish to disable dead key processing so that ^ can be used with a single keypress.

You can tell WezTerm to disable dead keys by setting this in your configuration file:

return {
  use_dead_keys = false
}

Note that for X11 systems with use_ime=true, depending on the configured IME, the IME may handle dead key processing implicitly. There is no way for wezterm to prevent it from doing that, short of disabling the IME.

Defining Assignments for key combinations that may be composed

When a key combination produces a composed key result, wezterm will look up both the composed and uncomposed versions of the keypress in your key mappings. If either lookup matches your assignment, that will take precedence over the normal key processing.

Configuring Key Assignments

The default key table assignments can be overridden or extended using the keys section in your ~/.wezterm.lua config file. For example, you can disable a default assignment like this:

local wezterm = require 'wezterm';

return {
  keys = {
    -- Turn off the default CMD-m Hide action, allowing CMD-m to
    -- be potentially recognized and handled by the tab
    {key="m", mods="CMD", action="DisableDefaultAssignment"}
  }
}

The action value can be one of the available key assignments. Every action has an example that shows how to use it.

Possible Modifier labels are:

  • SUPER, CMD, WIN - these are all equivalent: on macOS the Command key, on Windows the Windows key, on Linux this can also be the Super or Hyper key. Left and right are equivalent.
  • SHIFT - The shift key. Left and right are equivalent.
  • ALT, OPT, META - these are all equivalent: on macOS the Option key, on other systems the Alt or Meta key. Left and right are equivalent.
  • LEADER - a special modal modifier state managed by wezterm. See Leader Key for more information.
  • VoidSymbol - This keycode is emitted in special cases where the original function of the key has been removed. Such as in Linux and using setxkbmap. setxkbmap -option caps:none. The CapsLock will no longer function as before in all applications, instead emitting VoidSymbol.

You can combine modifiers using the | symbol (eg: "CMD|CTRL").

The key value can be one of the following keycode identifiers. Note that not all of these are meaningful on all platforms:

Hyper, Super, Meta, Cancel, Backspace, Tab, Clear, Enter, Shift, Escape, LeftShift, RightShift, Control, LeftControl, RightControl, Alt, LeftAlt, RightAlt, Menu, LeftMenu, RightMenu, Pause, CapsLock, VoidSymbol, PageUp, PageDown, End, Home, LeftArrow, RightArrow, UpArrow, DownArrow, Select, Print, Execute, PrintScreen, Insert, Delete, Help, LeftWindows, RightWindows, Applications, Sleep, Numpad0, Numpad1, Numpad2, Numpad3, Numpad4, Numpad5, Numpad6, Numpad7, Numpad8, Numpad9, Multiply, Add, Separator, Subtract, Decimal, Divide, NumLock, ScrollLock, BrowserBack, BrowserForward, BrowserRefresh, BrowserStop, BrowserSearch, BrowserFavorites, BrowserHome, VolumeMute, VolumeDown, VolumeUp, MediaNextTrack, MediaPrevTrack, MediaStop, MediaPlayPause, ApplicationLeftArrow, ApplicationRightArrow, ApplicationUpArrow, ApplicationDownArrow, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21, F22, F23, F24.

Alternatively, a single unicode character can be specified to indicate pressing the corresponding key.

Pay attention to the case of the text that you use and the state of the SHIFT modifier, as key="A" will match

Physical vs Mapped Key Assignments

Since: 20220319-142410-0fcdea07

The key value can refer either to the physical position of a key on an ANSI US keyboard or to the post-keyboard-layout-mapped value produced by a key press.

You can explicitly assign using the physical position by adding a phys: prefix to the value, for example: key="phys:A". This will match key presses for the key that would be in the position of the A key on an ANSI US keyboard.

You can explicitly assign the mapped key by adding a mapped: prefix to the value, for example: key="mapped:a" will match a key press where the OS keyboard layout produces a, regardless of its physical position.

If you omit an explicit prefix, wezterm will assume phys: and use the physical position of the specified key.

The default key assignments listed above use phys:. In previous releases there was no physical position support and those assignments were all mapped:.

When upgrading from earlier releases, if you had {key="N", mods="CMD", ..} in your config, you will need to change it to either {key="N", mods="CMD|SHIFT", ..} or {key="mapped:N", mods="CMD", ..} in order to continue to respect the SHIFT modifier.

Since: 20220408-101518-b908e2dd

A new key_map_preference option controls how keys without an explicit phys: or mapped: prefix are treated. If key_map_preference = "Mapped" (the default), then mapped: is assumed. If key_map_preference = "Physical" then phys: is assumed.

The default key assignments will respect key_map_preference.

Raw Key Assignments

In some cases, wezterm may not know how to represent a key event in either its phys: or mapped: forms. In that case, you may wish to define an assignment in terms of the underlying operating system key code, using a raw: prefix.

Similar in concept to the phys: mapping described above, the raw: mapping is independent of the OS keyboard layout. Raw codes are hardware and windowing system dependent, so there is no portable way to list which key does what.

To discover these values, you can set debug_key_events = true and press the keys of interest.

You can specify a raw key value of 123 by using key="raw:123" in your config rather than one of the other key values.

Leader Key

Since: 20201031-154415-9614e117

A leader key is a a modal modifier key. If leader is specified in the configuration then pressing that key combination will enable a virtual LEADER modifier.

While LEADER is active, only defined key assignments that include LEADER in the mods mask will be recognized. Other keypresses will be swallowed and NOT passed through to the terminal.

LEADER stays active until a keypress is registered (whether it matches a key binding or not), or until it has been active for the duration specified by timeout_milliseconds, at which point it will automatically cancel itself.

Here's an example configuration using LEADER. In this configuration, pressing CTRL-A activates the leader key for up to 1 second (1000 milliseconds). While LEADER is active, the | key (with no other modifiers) will trigger the current pane to be split.

local wezterm = require 'wezterm';

return {
  -- timeout_milliseconds defaults to 1000 and can be omitted
  leader = { key="a", mods="CTRL", timeout_milliseconds=1000 },
  keys = {
    {key="|", mods="LEADER|SHIFT", action=wezterm.action.SplitHorizontal{domain="CurrentPaneDomain"}},
    -- Send "CTRL-A" to the terminal when pressing CTRL-A, CTRL-A
    {key="a", mods="LEADER|CTRL", action=wezterm.action.SendString("\x01")},
  }
}

VoidSymbol

Since: 20210814-124438-54e29167

On X11 systems, If you decide to change certain keys on the keyboard to VoidSymbol (like CapsLock), then you can utilize it as a LEADER or any other part of key bindings. The following example now uses VoidSymbol and uses CapsLock as a LEADER without it affecting the shift / capital state as long as you have setxkbmap -option caps:none configured.

local wezterm = require 'wezterm';

return {
  -- timeout_milliseconds defaults to 1000 and can be omitted
  -- for this example use `setxkbmap -option caps:none` in your terminal.
  leader = { key="VoidSymbol", mods="", timeout_milliseconds=1000 },
  keys = {
    {key="|", mods="LEADER|SHIFT", action=wezterm.action.SplitHorizontal{domain="CurrentPaneDomain"}},
    {key="-", mods="LEADER", action=wezterm.action.SplitVertical{domain="CurrentPaneDomain"}},
  }
}

Available Actions

See the KeyAssignment reference for information on available actions.

Key Tables

Since: 20220408-101518-b908e2dd

In addition to the default key table defined by the keys configuration option, wezterm supports defining additional named key tables using the key_tables configuration option.

On its own, a named table doesn't do anything, but when paired with the ActivateKeyTable action, some powerful keyboard customization is possible.

As a motivating example, let's consider working with panes. In the default config CTRL+SHIFT+ArrowKey will activate a pane in the direction of the arrow key, while CTRL+SHIFT+ALT+ArrowKey will resize a pane in the direction of the arrow key. Our goal is to avoid holding down so many keys at once, or even having to remember so many key combinations, so what we'd like to do is use CTRL-SHIFT-SPACE as a leader prefix to select between resize and activation modes, using r for resize and a for activation:

local wezterm = require 'wezterm'
local act = wezterm.action

-- Show which key table is active in the status area
wezterm.on("update-right-status", function(window, pane)
  local name = window:active_key_table()
  if name then
    name = "TABLE: " .. name
  end
  window:set_right_status(name or "")
end)

return {
  leader = {key="Space", mods="CTRL|SHIFT"},
  keys = {
    -- CTRL+SHIFT+Space, followed by 'r' will put us in resize-pane
    -- mode until we cancel that mode.
    {key="r", mods="LEADER", action=act.ActivateKeyTable{
      name="resize_pane",
      one_shot=false,
    }},

    -- CTRL+SHIFT+Space, followed by 'a' will put us in activate-pane
    -- mode until we press some other key or until 1 second (1000ms)
    -- of time elapses
    {key="a", mods="LEADER", action=act.ActivateKeyTable{
      name="activate_pane",
      timeout_milliseconds=1000,
    }},
  },

  key_tables = {
    -- Defines the keys that are active in our resize-pane mode.
    -- Since we're likely to want to make multiple adjustments,
    -- we made the activation one_shot=false. We therefore need
    -- to define a key assignment for getting out of this mode.
    -- 'resize_pane' here corresponds to the name="resize_pane" in
    -- the key assignments above.
    resize_pane = {
      {key="LeftArrow", action=act.AdjustPaneSize{"Left", 1}},
      {key="h",         action=act.AdjustPaneSize{"Left", 1}},

      {key="RightArrow", action=act.AdjustPaneSize{"Right", 1}},
      {key="l",          action=act.AdjustPaneSize{"Right", 1}},

      {key="UpArrow", action=act.AdjustPaneSize{"Up", 1}},
      {key="k",       action=act.AdjustPaneSize{"Up", 1}},

      {key="DownArrow", action=act.AdjustPaneSize{"Down", 1}},
      {key="j",         action=act.AdjustPaneSize{"Down", 1}},

      -- Cancel the mode by pressing escape
      {key="Escape", action="PopKeyTable"},

    },

    -- Defines the keys that are active in our activate-pane mode.
    -- 'activate_pane' here corresponds to the name="activate_pane" in
    -- the key assignments above.
    activate_pane = {
      {key="LeftArrow", action=act.ActivatePaneDirection("Left")},
      {key="h",         action=act.ActivatePaneDirection("Left")},

      {key="RightArrow", action=act.ActivatePaneDirection("Right")},
      {key="l",          action=act.ActivatePaneDirection("Right")},

      {key="UpArrow", action=act.ActivatePaneDirection("Up")},
      {key="k",       action=act.ActivatePaneDirection("Up")},

      {key="DownArrow", action=act.ActivatePaneDirection("Down")},
      {key="j",         action=act.ActivatePaneDirection("Down")},
    },

  },
}

Key Table Activation Stack

Each wezterm GUI window maintains a stack of activations, which allows you to create complex layering of keyboard customization.

The ActivateKeyTable action will push an entry to the stack, and provides one_shot and timeout_milliseconds fields to affect when/how it will pop itself from the stack, and replace_current to implicitly pop the current entry from the stack.

The PopKeyTable action will explicitly pop an entry from the stack.

The ClearKeyTableStack action will clear the entire stack.

The stack is also cleared when the configuration is reloaded, so if you're working on a complex key table setup and get stuck, you may be able to unstick yourself by re-saving your wezterm configuration to trigger a reload.

Since: 20220624-141144-bd1b7c5d

When resolving a key assignment, the top of stack is first searched for a match, and if one is not found, the next entry on the stack is searched and so on until a match is found.

In previous releases, only a single lookup was performed on the top of the stack.

The new behavior allows key table activations to effectively layer over the top of previously activated key assignments, making it a bit easier to compose key assignments.

Default Shortcut / Key Binding Assignments

The default key assignments are:

ModifiersKeyAction
SUPERcCopyTo="Clipboard"
SUPERvPasteFrom="Clipboard"
CTRL+SHIFTcCopyTo="Clipboard"
CTRL+SHIFTvPasteFrom="Clipboard"
CopyCopyTo="Clipboard"
PastePasteFrom="Clipboard"
CTRLInsertCopyTo="PrimarySelection" (since: 20210203-095643-70a364eb)
SHIFTInsertPasteFrom="PrimarySelection"
SUPERmHide
SUPERnSpawnWindow
CTRL+SHIFTnSpawnWindow
ALTEnterToggleFullScreen
SUPER-DecreaseFontSize
CTRL-DecreaseFontSize
SUPER=IncreaseFontSize
CTRL=IncreaseFontSize
SUPER0ResetFontSize
CTRL0ResetFontSize
SUPERtSpawnTab="CurrentPaneDomain"
CTRL+SHIFTtSpawnTab="CurrentPaneDomain"
SUPER+SHIFTTSpawnTab="DefaultDomain"
SUPERwCloseCurrentTab{confirm=true}
SUPER1ActivateTab=0
SUPER2ActivateTab=1
SUPER3ActivateTab=2
SUPER4ActivateTab=3
SUPER5ActivateTab=4
SUPER6ActivateTab=5
SUPER7ActivateTab=6
SUPER8ActivateTab=7
SUPER9ActivateTab=-1
CTRL+SHIFTwCloseCurrentTab{confirm=true}
CTRL+SHIFT1ActivateTab=0
CTRL+SHIFT2ActivateTab=1
CTRL+SHIFT3ActivateTab=2
CTRL+SHIFT4ActivateTab=3
CTRL+SHIFT5ActivateTab=4
CTRL+SHIFT6ActivateTab=5
CTRL+SHIFT7ActivateTab=6
CTRL+SHIFT8ActivateTab=7
CTRL+SHIFT9ActivateTab=-1
SUPER+SHIFT[ActivateTabRelative=-1
CTRL+SHIFTTabActivateTabRelative=-1
CTRLPageUpActivateTabRelative=-1
SUPER+SHIFT]ActivateTabRelative=1
CTRLTabActivateTabRelative=1
CTRLPageDownActivateTabRelative=1
CTRL+SHIFTPageUpMoveTabRelative=-1
CTRL+SHIFTPageDownMoveTabRelative=1
SHIFTPageUpScrollByPage=-1
SHIFTPageDownScrollByPage=1
SUPERrReloadConfiguration
CTRL+SHIFTRReloadConfiguration
SUPERhHideApplication (macOS only)
SUPERkClearScrollback="ScrollbackOnly"
CTRL+SHIFTKClearScrollback="ScrollbackOnly"
CTRL+SHIFTLShowDebugOverlay (Since: 20210814-124438-54e29167)
SUPERfSearch={CaseSensitiveString=""}
CTRL+SHIFTFSearch={CaseSensitiveString=""}
CTRL+SHIFTXActivateCopyMode
CTRL+SHIFTSpaceQuickSelect (since: 20210502-130208-bff6815d)
CTRL+SHIFT+ALT"SplitVertical={domain="CurrentPaneDomain"}
CTRL+SHIFT+ALT%SplitHorizontal={domain="CurrentPaneDomain"}
CTRL+SHIFT+ALTLeftArrowAdjustPaneSize={"Left", 1}
CTRL+SHIFT+ALTRightArrowAdjustPaneSize={"Right", 1}
CTRL+SHIFT+ALTUpArrowAdjustPaneSize={"Up", 1}
CTRL+SHIFT+ALTDownArrowAdjustPaneSize={"Down", 1}
CTRL+SHIFTLeftArrowActivatePaneDirection="Left"
CTRL+SHIFTRightArrowActivatePaneDirection="Right"
CTRL+SHIFTUpArrowActivatePaneDirection="Up"
CTRL+SHIFTDownArrowActivatePaneDirection="Down"
CTRL+SHIFTZTogglePaneZoomState

If you don't want the default assignments to be registered, you can disable all of them with this configuration; if you chose to do this, you must explicitly register every binding.

return {
  disable_default_key_bindings = true,
}

Keyboard Encoding

When input that doesn't match a key assignment is processed, it is encoded into a byte stream and sent to the PTY associated with the program that is running in the active pane.

The default encoding scheme used by wezterm is xterm compatible, but there are some configuration options that can modify the encoding.

The standard xterm compatible encoding generates events for key presses (but not releases) and can represent the set of keys that existed on terminal hardware of the 1980's.

That scheme has worked well for quite some time, but has some ambiguity due to the way that the Control modifier "shifts" the ASCII representation of keypresses like Control-I to be ASCII Tab, as an example.

CSI-u/fixterms/libtickit

Fix Keyboard Input on Terminals is an attempt at resolving the ambiguous encoding and doing a better job at representing more modifiers. It's not a perfect attempt as there are a number of issues with it.

You can enable support for this encoding by setting enable_csi_u_key_encoding = true, however, it is not recommended as it does change the behavior of some keys in backwards incompatible ways and there isn't a way for applications to detect or request this behavior.

See also: enable_csi_u_key_encoding.

Note that allow_win32_input_mode takes precedence over this option.

Kitty Keyboard Protocol

The Kitty terminal extended and enhanced the CSI-u based encoding scheme with its Comprehensive keyboard handling protocol.

The kitty protocol allows applications to request varying degrees of enhancement over the standard encoding scheme and also allows for more modifier keys (notably: CMD/Super/Windows) to be reported to the application.

enable_kitty_keyboard controls whether wezterm will honor the application requests to modify the keyboard encoding.

Windows

On Windows, allow_win32_input_mode defaults to true which causes wezterm to listen for an escape sequence generated by the ConPTY layer of Windows to enable Win32 Input Mode.

In this mode, key release events as well as events that can distinguish between positional (left/right) modifier keys are generated and this mode provides the best compatibility with win32 console applications such as Far Manager.

allow_win32_input_mode takes precedence over enable_csi_u_key_encoding.

Mouse bindings are configurable, and there are a number of default assignments described below.

The assignments are based around a triggering mouse event which may be combined with a set of modifier keys to produce an action.

By default applications running in the terminal don't respond to the mouse. However, applications can emit escape sequences to request mouse event tracking. When mouse event tracking is enabled, mouse events are NOT matched against the mouse assignments and are instead passed through to the application.

You can bypass the mouse reporting capture by holding down the SHIFT key; that will prevent the event from being passed to the application and allow matching it against your assignments as though the SHIFT key were not pressed.

The bypass_mouse_reporting_modifiers option allows you to specify an alternative set of modifiers to use for bypassing mouse reporting capture.

Default Mouse Assignments

In the table below, Triple Left Down means that the left mouse button is being triple clicked and that the event matches the downstroke of the third quick consecutive press. Triple Left Up matches the subsequent release event of that triple click, so for a triple click both SelectTextAtMouseCursor="Line" and CompleteSelection will be triggered in that order.

NOTE: In the action column, act is an alias to wezterm.action (to avoid repetition).

EventModifiersAction
Triple Left DownNONEact.SelectTextAtMouseCursor("Line")
Double Left DownNONEact.SelectTextAtMouseCursor("Word")
Single Left DownNONEact.SelectTextAtMouseCursor("Cell")
Single Left DownSHIFTact.ExtendSelectionToMouseCursor("Cell")
Single Left DownALTact.SelectTextAtMouseCursor("Block") (since: 20220624-141144-bd1b7c5d)
Single Left UpSHIFTact.CompleteSelectionOrOpenLinkAtMouseCursor("PrimarySelection")
Single Left UpNONEact.CompleteSelectionOrOpenLinkAtMouseCursor("PrimarySelection")
Single Left UpALTact.CompleteSelection("PrimarySelection") (since: 20220624-141144-bd1b7c5d)
Double Left UpNONEact.CompleteSelection("PrimarySelection")
Triple Left UpNONEact.CompleteSelection("PrimarySelection")
Single Left DragNONEact.ExtendSelectionToMouseCursor("Cell")
Single Left DragALTact.ExtendSelectionToMouseCursor("Block") (since: 20220624-141144-bd1b7c5d)
Single Left DownALT+SHIFTact.ExtendSelectionToMouseCursor("Block") (since: 20220624-141144-bd1b7c5d)
Single Left UpALT+SHIFTact.CompleteSelection("PrimarySelection") (since: 20220624-141144-bd1b7c5d)
Double Left DragNONEact.ExtendSelectionToMouseCursor("Word")
Triple Left DragNONEact.ExtendSelectionToMouseCursor("Line")
Single Middle DownNONEact.PasteFrom("PrimarySelection")
Single Left DragSUPERact.StartWindowDrag (since 20210314-114017-04b7cedd)
Single Left DragCTRL+SHIFTact.StartWindowDrag (since 20210314-114017-04b7cedd)

If you don't want the default assignments to be registered, you can disable all of them with this configuration; if you chose to do this, you must explicitly register every binding.

return {
  disable_default_mouse_bindings = true,
}

Configuring Mouse Assignments

since: 20200607-144723-74889cd4

You can define mouse actions using the mouse_bindings configuration section:

local wezterm = require 'wezterm';
local act = wezterm.action

return {
  mouse_bindings = {
    -- Right click sends "woot" to the terminal
    {
      event={Down={streak=1, button="Right"}},
      mods="NONE",
      action=act.SendString("woot"),
    },

    -- Change the default click behavior so that it only selects
    -- text and doesn't open hyperlinks
    {
      event={Up={streak=1, button="Left"}},
      mods="NONE",
      action=act.CompleteSelection("PrimarySelection"),
    },

    -- and make CTRL-Click open hyperlinks
    {
      event={Up={streak=1, button="Left"}},
      mods="CTRL",
      action=act.OpenLinkAtMouseCursor,
    },
    -- NOTE that binding only the 'Up' event can give unexpected behaviors.
    -- Read more below on the gotcha of binding an 'Up' event only.
  },
}

The action and mods portions are described in more detail in the key assignment information below.

The event portion has three components:

  • Whether it is a Down, Up or Drag event
  • The number of consecutive clicks within the click threshold (the click streak)
  • The mouse button; Left, Right, or Middle.

A double click is a down-up-down sequence where either the second button down is held for long enough or is released and no subsequent down event occurs within the click threshold. When recognized, it emits a Down event with streak=2. If the mouse is moved while the button is held, a Drag event with streak=2 is generated. When the mouse button is released an Up event with streak=2 is generated.

The mouse event recognizer supports an arbitrary click streak, so if you wanted quadruple-click bindings you can specify streak=4.

EventLua Representation
Triple Left Downevent={Down={streak=3, button="Left"}}
Double Left Upevent={Up={streak=2, button="Left"}}
Single Left Dragevent={Drag={streak=1, button="Left"}}

Gotcha on binding an 'Up' event only

If you only have a mouse bind on the 'Up' event and not on the 'Down' event, the 'Down' event will still be sent to the running program. If that program is tracking mouse inputs (like tmux or vim with mouse support), you may experience unintuitive behavior as the program receives the 'Down' event, but not the 'Up' event (which is bound to something in your config).

To avoid this, it is recommended to disable the 'Down' event (to ensure it won't be sent to the running program), for example:

local wezterm = require "wezterm"
local act = wezterm.action

return {
  mouse_bindings = {
    -- Bind 'Up' event of CTRL-Click to open hyperlinks
    {
      event={Up={streak=1, button="Left"}},
      mods="CTRL",
      action=act.OpenLinkAtMouseCursor,
    },
    -- Disable the 'Down' event of CTRL-Click to avoid weird program behaviors
    {
      event={Down={streak=1, button="Left"}},
      mods="CTRL",
      action=act.Nop,
    },
  },
}

Available Actions

See the KeyAssignment reference for information on available actions.

Color Scheme

WezTerm ships with the full set of over 200 color schemes available from iTerm2-Color-Schemes. You can select a color scheme with a line like this:

return {
  color_scheme = "Batman",
}

You can find a list of available color schemes and screenshots in The Color Schemes Section.

The color_scheme option takes precedence over the colors section below.

Defining your own colors

Rather than using a color scheme, you can specify the color palette using the colors configuration section. Note that color_scheme takes precedence over this section.

You can configure colors with a section like this. In addition to specifying SVG/CSS3 color names, you can use #RRGGBB to specify a color code using the usual hex notation; eg: #000000 is equivalent to black:

return {
  colors = {
      -- The default text color
      foreground = "silver",
      -- The default background color
      background = "black",

      -- Overrides the cell background color when the current cell is occupied by the
      -- cursor and the cursor style is set to Block
      cursor_bg = "#52ad70",
      -- Overrides the text color when the current cell is occupied by the cursor
      cursor_fg = "black",
      -- Specifies the border color of the cursor when the cursor style is set to Block,
      -- or the color of the vertical or horizontal bar when the cursor style is set to
      -- Bar or Underline.
      cursor_border = "#52ad70",

      -- the foreground color of selected text
      selection_fg = "black",
      -- the background color of selected text
      selection_bg = "#fffacd",

      -- The color of the scrollbar "thumb"; the portion that represents the current viewport
      scrollbar_thumb = "#222222",

      -- The color of the split lines between panes
      split = "#444444",

      ansi = {"black", "maroon", "green", "olive", "navy", "purple", "teal", "silver"},
      brights = {"grey", "red", "lime", "yellow", "blue", "fuchsia", "aqua", "white"},

      -- Arbitrary colors of the palette in the range from 16 to 255
      indexed = {[136] = "#af8700"},

      -- Since: 20220319-142410-0fcdea07
      -- When the IME, a dead key or a leader key are being processed and are effectively
      -- holding input pending the result of input composition, change the cursor
      -- to this color to give a visual cue about the compose state.
      compose_cursor = "orange",
  }
}

Since: 20220101-133340-7edc5b5a

You may specify colors in the HSL color space, if you prefer that over RGB, by using:

return {
  colors = {
      -- the first number is the hue measured in degrees with a range
      -- of 0-360.
      -- The second number is the saturation measured in percentage with
      -- a range of 0-100.
      -- The third number is the lightness measured in percentage with
      -- a range of 0-100.
      foreground = "hsl:235 100 50",
  }
}

Since: 20220319-142410-0fcdea07

Colors now also accept the following CSS-style color specifications:

rgb(0,255,0)
rgb(0% 100% 0%)
rgb(0 255 0 / 100%)
rgba(0,255,0,1)
hsl(120,100%,50%)
hsl(120deg 100% 50%)
hsl(-240 100% 50%)
hsl(-240deg 100% 50%)
hsl(0.3333turn 100% 50%)
hsl(133.333grad 100% 50%)
hsl(2.0944rad 100% 50%)
hsla(120,100%,50%,100%)
hwb(120 0% 0%)
hwb(480deg 0% 0% / 100%)
hsv(120,100%,100%)
hsv(120deg 100% 100% / 100%)

The alpha value is ignored except when used with selection_fg and selection_bg:

return {
  colors = {
    -- Make the selection text color fully transparent.
    -- When fully transparent, the current text color will be used.
    selection_fg = "none",
    -- Set the selection background color with alpha.
    -- When selection_bg is transparent, it will be alpha blended over
    -- the current cell background color, rather than replace it
    selection_bg = "rgba(50% 50% 50% 50%)"
  }
}

Defining a Color Scheme in your .wezterm.lua

If you'd like to keep a couple of color schemes handy in your configuration file, rather than filling out the colors section, place it in a color_schemes section as shown below; you can then reference it using the color_scheme setting.

Color schemes names that you define in your wezterm.lua take precedence over all other color schemes.

All of the settings available from the colors section are available to use in the color_schemes sections.

return {
  color_scheme = "Red Scheme",

  color_schemes = {
    ["Red Scheme"] = {
      background = "red",
    }
    ["Blue Scheme"] = {
      background = "blue",
    }
  },
}

See also wezterm.get_builtin_color_schemes() for some more advanced examples, such as picking a random color scheme, or deriving from a builting color scheme.

Defining a Color Scheme in a separate file

If you'd like to factor your color schemes out into separate files, you can create a file with a [colors] section; take a look at one of the available color schemes for an example.

It is recommended that you place your custom scheme in a directory named $HOME/.config/wezterm/colors if you're on a POSIX system.

On a Windows system, wezterm will search for schemes in a directory named colors that is in the same directory as the wezterm.exe.

If you wish to place your color scheme files in some other location, then you will need to instruct wezterm where to look for your scheme files; the color_scheme_dirs setting specifies a list of directories to be searched:

return {
  color_scheme_dirs = {"/some/path/to/my/color/schemes"},
}

Color scheme names that are defined in files in your color_scheme_dirs list take precedence over the built-in color schemes.

Dynamic Color Escape Sequences

Wezterm supports dynamically changing its color palette via escape sequences.

The dynamic-colors directory of the color scheme repo contains shell scripts that can change the color scheme immediately on the fly. This can be used in your own scripts to alter the terminal appearance programmatically:

$ git clone https://github.com/mbadolato/iTerm2-Color-Schemes.git
$ cd iTerm2-Color-Schemes/dynamic-colors
$ for scheme in *.sh ; do ; echo $scheme ; \
   bash "$scheme" ; ../tools/screenshotTable.sh; sleep 0.5; done

Tab Bar Appearance & Colors

The tab bar has two modes; the default is a native looking style, but is is also possible to enable a retro aesthetic. The configuration for the two styles is broadly similar, but there are a few different details.

Native (Fancy) Tab Bar appearance

The following options affect the fancy tab bar:

local wezterm = require 'wezterm'

return {
  window_frame = {
    -- The font used in the tab bar.
    -- Roboto Bold is the default; this font is bundled
    -- with wezterm.
    -- Whatever font is selected here, it will have the
    -- main font setting appended to it to pick up any
    -- fallback fonts you may have used there.
    font = wezterm.font({family="Roboto", weight="Bold"}),

    -- The size of the font in the tab bar.
    -- Default to 10. on Windows but 12.0 on other systems
    font_size = 12.0,

    -- The overall background color of the tab bar when
    -- the window is focused
    active_titlebar_bg = "#333333",

    -- The overall background color of the tab bar when
    -- the window is not focused
    inactive_titlebar_bg = "#333333",
  },

  colors = {
    tab_bar = {
      -- The color of the inactive tab bar edge/divider
      inactive_tab_edge = "#575757",
    },
  },
}

In addition, the tab bar colors mentioned below also apply to the items displayed in the tab bar.

Retro Tab Bar appearance

The following options control the appearance of the tab bar:

return {
  colors = {
    tab_bar = {
      -- The color of the strip that goes along the top of the window
      -- (does not apply when fancy tab bar is in use)
      background = "#0b0022",

      -- The active tab is the one that has focus in the window
      active_tab = {
        -- The color of the background area for the tab
        bg_color = "#2b2042",
        -- The color of the text for the tab
        fg_color = "#c0c0c0",

        -- Specify whether you want "Half", "Normal" or "Bold" intensity for the
        -- label shown for this tab.
        -- The default is "Normal"
        intensity = "Normal",

        -- Specify whether you want "None", "Single" or "Double" underline for
        -- label shown for this tab.
        -- The default is "None"
        underline = "None",

        -- Specify whether you want the text to be italic (true) or not (false)
        -- for this tab.  The default is false.
        italic = false,

        -- Specify whether you want the text to be rendered with strikethrough (true)
        -- or not for this tab.  The default is false.
        strikethrough = false,
      },

      -- Inactive tabs are the tabs that do not have focus
      inactive_tab = {
        bg_color = "#1b1032",
        fg_color = "#808080",

        -- The same options that were listed under the `active_tab` section above
        -- can also be used for `inactive_tab`.
      },

      -- You can configure some alternate styling when the mouse pointer
      -- moves over inactive tabs
      inactive_tab_hover = {
        bg_color = "#3b3052",
        fg_color = "#909090",
        italic = true,

        -- The same options that were listed under the `active_tab` section above
        -- can also be used for `inactive_tab_hover`.
      },

      -- The new tab button that let you create new tabs
      new_tab = {
        bg_color = "#1b1032",
        fg_color = "#808080",

        -- The same options that were listed under the `active_tab` section above
        -- can also be used for `new_tab`.
      },

      -- You can configure some alternate styling when the mouse pointer
      -- moves over the new tab button
      new_tab_hover = {
        bg_color = "#3b3052",
        fg_color = "#909090",
        italic = true,

        -- The same options that were listed under the `active_tab` section above
        -- can also be used for `new_tab_hover`.
      }
    }
  }
}

Window Padding

You may add padding around the edges of the terminal area.

See the window_padding docs for more info

Styling Inactive Panes

since: 20201031-154415-9614e117

To make it easier to see which pane is active, the inactive panes are dimmed and de-saturated slightly.

You can specify your own transformation to the pane colors with a hue, saturation, brightness (HSB) multipler.

In this example, inactive panes will be slightly de-saturated and dimmed; this is the default configuration:

return {
  inactive_pane_hsb = {
    saturation = 0.9,
    brightness = 0.8,
  }
}

The transform works by converting the RGB colors to HSV values and then multiplying the HSV by the numbers specified in inactive_pane_hsb.

Modifying the hue changes the hue of the color by rotating it through the color wheel. It is not as useful as the other components, but is available "for free" as part of the colorspace conversion.

Modifying the saturation can add or reduce the amount of "colorfulness". Making the value smaller can make it appear more washed out.

Modifying the brightness can be used to dim or increase the perceived amount of light.

The range of these values is 0.0 and up; they are used to multiply the existing values, so the default of 1.0 preserves the existing component, whilst 0.5 will reduce it by half, and 2.0 will double the value.

Window Background Image

Screenshot

since: 20201031-154415-9614e117

You can attach an image to the background of the wezterm window:

return {
  window_background_image = "/path/to/wallpaper.jpg"
}

If the path is a relative path then it will be expanded relative to the directory containing your wezterm.lua config file.

PNG, JPEG, GIF, BMP, ICO, TIFF, PNM, DDS, TGA and farbfeld files can be loaded. Animated GIF and PNG files will animate while the window has focus.

The image will be scaled to fit the window contents. Very large images may decrease render performance and take up VRAM from the GPU, so you may wish to resize the image file before using it.

You can optionally transform the background image by specifying a hue, saturation, brightness multiplier:


return {
  window_background_image = "/path/to/wallpaper.jpg",

  window_background_image_hsb = {
    -- Darken the background image by reducing it to 1/3rd
    brightness = 0.3,

    -- You can adjust the hue by scaling its value.
    -- a multiplier of 1.0 leaves the value unchanged.
    hue = 1.0,

    -- You can adjust the saturation also.
    saturation = 1.0,
  },
}

See Styling Inactive Panes for more information on hue, saturation, brigthness transformations.

Window Background Gradient

Since: 20210814-124438-54e29167

See window_background_gradient for configuration information on gradients.

Window Background Opacity

since: 20201031-154415-9614e117

If your Operating System provides Compositing support then WezTerm is able to specify the alpha channel value for the background content, rendering the window background translucent (some refer to this as transparent rather than translucent) and causing the windows/desktop behind it to show through the window.

macOS, Windows and Wayland support compositing out of the box. X11 may require installing or configuring a compositing window manager. XWayland under Mutter/Wayland also works without any additional configuration.

window_background_opacity specifies the alpha channel value with floating point numbers in the range 0.0 (meaning completely translucent/transparent) through to 1.0 (meaning completely opaque).

Setting this to a value other than the default 1.0 may impact render performance.

return {
  window_background_opacity = 1.0,
}

Text Background Opacity

since: 20201031-154415-9614e117

When using a background image or background opacity, the image content can have relatively low contrast with respect to the text you are trying to read in your terminal.

The text_background_opacity setting specifies the alpha channel value to use for the background color of cells other than the default background color.

The default for this setting is 1.0, which means that the background color is fully opaque.

The range of values permitted are 0.0 (completely translucent) through to 1.0 (completely opaque).

return {
  text_background_opacity = 0.3,
}

555 Color schemes listed by first letter

3024 (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "3024 (dark) (terminal.sexy)",
}

3024 (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "3024 (light) (terminal.sexy)",
}

3024 Day

To use this scheme, add this to your config:

return {
  color_scheme = "3024 Day",
}

3024 Night

To use this scheme, add this to your config:

return {
  color_scheme = "3024 Night",
}

Abernathy

To use this scheme, add this to your config:

return {
  color_scheme = "Abernathy",
}

Aci (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Aci (Gogh)",
}

Aco (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Aco (Gogh)",
}

Adventure

To use this scheme, add this to your config:

return {
  color_scheme = "Adventure",
}

AdventureTime

To use this scheme, add this to your config:

return {
  color_scheme = "AdventureTime",
}

Afterglow

To use this scheme, add this to your config:

return {
  color_scheme = "Afterglow",
}

Afterglow (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Afterglow (Gogh)",
}

aikofog (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "aikofog (terminal.sexy)",
}

Alabaster

To use this scheme, add this to your config:

return {
  color_scheme = "Alabaster",
}

AlienBlood

To use this scheme, add this to your config:

return {
  color_scheme = "AlienBlood",
}

Andromeda

To use this scheme, add this to your config:

return {
  color_scheme = "Andromeda",
}

arcoiris

To use this scheme, add this to your config:

return {
  color_scheme = "arcoiris",
}

Argonaut

To use this scheme, add this to your config:

return {
  color_scheme = "Argonaut",
}

Arthur

To use this scheme, add this to your config:

return {
  color_scheme = "Arthur",
}

Ashes (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Ashes (dark) (terminal.sexy)",
}

Ashes (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Ashes (light) (terminal.sexy)",
}

astromouse (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "astromouse (terminal.sexy)",
}

Atelierdune (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierdune (dark) (terminal.sexy)",
}

Atelierdune (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierdune (light) (terminal.sexy)",
}

Atelierforest (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierforest (dark) (terminal.sexy)",
}

Atelierforest (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierforest (light) (terminal.sexy)",
}

Atelierheath (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierheath (dark) (terminal.sexy)",
}

Atelierheath (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierheath (light) (terminal.sexy)",
}

Atelierlakeside (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierlakeside (dark) (terminal.sexy)",
}

Atelierlakeside (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierlakeside (light) (terminal.sexy)",
}

Atelierseaside (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierseaside (dark) (terminal.sexy)",
}

Atelierseaside (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Atelierseaside (light) (terminal.sexy)",
}

AtelierSulphurpool

To use this scheme, add this to your config:

return {
  color_scheme = "AtelierSulphurpool",
}

Atom

To use this scheme, add this to your config:

return {
  color_scheme = "Atom",
}

AtomOneLight

To use this scheme, add this to your config:

return {
  color_scheme = "AtomOneLight",
}

Aura (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Aura (Gogh)",
}

Aurora

To use this scheme, add this to your config:

return {
  color_scheme = "Aurora",
}

ayu

To use this scheme, add this to your config:

return {
  color_scheme = "ayu",
}

Ayu Mirage

To use this scheme, add this to your config:

return {
  color_scheme = "Ayu Mirage",
}

ayu_light

To use this scheme, add this to your config:

return {
  color_scheme = "ayu_light",
}

AyuDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "AyuDark (Gogh)",
}

AyuLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "AyuLight (Gogh)",
}

AyuMirage (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "AyuMirage (Gogh)",
}

Azu (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Azu (Gogh)",
}

_bash (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "_bash (Gogh)",
}

Banana Blueberry

To use this scheme, add this to your config:

return {
  color_scheme = "Banana Blueberry",
}

Batman

To use this scheme, add this to your config:

return {
  color_scheme = "Batman",
}

Belafonte Day

To use this scheme, add this to your config:

return {
  color_scheme = "Belafonte Day",
}

Belafonte Night

To use this scheme, add this to your config:

return {
  color_scheme = "Belafonte Night",
}

Belge (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Belge (terminal.sexy)",
}

Bespin (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Bespin (dark) (terminal.sexy)",
}

Bespin (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Bespin (light) (terminal.sexy)",
}

Bim (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Bim (Gogh)",
}

BirdsOfParadise

To use this scheme, add this to your config:

return {
  color_scheme = "BirdsOfParadise",
}

Bitmute (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Bitmute (terminal.sexy)",
}

Blazer

To use this scheme, add this to your config:

return {
  color_scheme = "Blazer",
}

Bleh-1 (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Bleh-1 (terminal.sexy)",
}

Blue Matrix

To use this scheme, add this to your config:

return {
  color_scheme = "Blue Matrix",
}

BlueBerryPie

To use this scheme, add this to your config:

return {
  color_scheme = "BlueBerryPie",
}

BlueDolphin

To use this scheme, add this to your config:

return {
  color_scheme = "BlueDolphin",
}

BlulocoDark

To use this scheme, add this to your config:

return {
  color_scheme = "BlulocoDark",
}

BlulocoLight

To use this scheme, add this to your config:

return {
  color_scheme = "BlulocoLight",
}

BlulocoLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "BlulocoLight (Gogh)",
}

BlulocoZshLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "BlulocoZshLight (Gogh)",
}

Borland

To use this scheme, add this to your config:

return {
  color_scheme = "Borland",
}

Breeze

To use this scheme, add this to your config:

return {
  color_scheme = "Breeze",
}

Brewer (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Brewer (dark) (terminal.sexy)",
}

Brewer (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Brewer (light) (terminal.sexy)",
}

Bright Lights

To use this scheme, add this to your config:

return {
  color_scheme = "Bright Lights",
}

Broadcast

To use this scheme, add this to your config:

return {
  color_scheme = "Broadcast",
}

Brogrammer

To use this scheme, add this to your config:

return {
  color_scheme = "Brogrammer",
}

Builtin Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Builtin Dark",
}

Builtin Light

To use this scheme, add this to your config:

return {
  color_scheme = "Builtin Light",
}

Builtin Pastel Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Builtin Pastel Dark",
}

Builtin Solarized Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Builtin Solarized Dark",
}

Builtin Solarized Light

To use this scheme, add this to your config:

return {
  color_scheme = "Builtin Solarized Light",
}

Builtin Tango Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Builtin Tango Dark",
}

Builtin Tango Light

To use this scheme, add this to your config:

return {
  color_scheme = "Builtin Tango Light",
}

C64

To use this scheme, add this to your config:

return {
  color_scheme = "C64",
}

Cai (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Cai (Gogh)",
}

Calamity

To use this scheme, add this to your config:

return {
  color_scheme = "Calamity",
}

Canvased Pastel (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Canvased Pastel (terminal.sexy)",
}

Catch Me If You Can (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Catch Me If You Can (terminal.sexy)",
}

CGA

To use this scheme, add this to your config:

return {
  color_scheme = "CGA",
}

Chalk

To use this scheme, add this to your config:

return {
  color_scheme = "Chalk",
}

Chalk (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Chalk (dark) (terminal.sexy)",
}

Chalk (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Chalk (Gogh)",
}

Chalk (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Chalk (light) (terminal.sexy)",
}

Chalkboard

To use this scheme, add this to your config:

return {
  color_scheme = "Chalkboard",
}

ChallengerDeep

To use this scheme, add this to your config:

return {
  color_scheme = "ChallengerDeep",
}

Chameleon (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Chameleon (Gogh)",
}

Chester

To use this scheme, add this to your config:

return {
  color_scheme = "Chester",
}

Ciapre

To use this scheme, add this to your config:

return {
  color_scheme = "Ciapre",
}

City Streets (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "City Streets (terminal.sexy)",
}

CloneofUbuntu (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "CloneofUbuntu (Gogh)",
}

Cloud (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Cloud (terminal.sexy)",
}

CLRS

To use this scheme, add this to your config:

return {
  color_scheme = "CLRS",
}

Cobalt Neon

To use this scheme, add this to your config:

return {
  color_scheme = "Cobalt Neon",
}

Cobalt2

To use this scheme, add this to your config:

return {
  color_scheme = "Cobalt2",
}

Codeschool (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Codeschool (dark) (terminal.sexy)",
}

Codeschool (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Codeschool (light) (terminal.sexy)",
}

coffee_theme

To use this scheme, add this to your config:

return {
  color_scheme = "coffee_theme",
}

Color Star (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Color Star (terminal.sexy)",
}

Colorcli (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Colorcli (Gogh)",
}

Colorful Colors (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Colorful Colors (terminal.sexy)",
}

Count Von Count (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Count Von Count (terminal.sexy)",
}

CrayonPonyFish

To use this scheme, add this to your config:

return {
  color_scheme = "CrayonPonyFish",
}

Cyberdyne

To use this scheme, add this to your config:

return {
  color_scheme = "Cyberdyne",
}

cyberpunk

To use this scheme, add this to your config:

return {
  color_scheme = "cyberpunk",
}

X::DotShare (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "X::DotShare (terminal.sexy)",
}

Dark Ocean (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Dark Ocean (terminal.sexy)",
}

Dark Pastel

To use this scheme, add this to your config:

return {
  color_scheme = "Dark Pastel",
}

Dark+

To use this scheme, add this to your config:

return {
  color_scheme = "Dark+",
}

darkermatrix

To use this scheme, add this to your config:

return {
  color_scheme = "darkermatrix",
}

darkmatrix

To use this scheme, add this to your config:

return {
  color_scheme = "darkmatrix",
}

Darkside

To use this scheme, add this to your config:

return {
  color_scheme = "Darkside",
}

Dawn (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Dawn (terminal.sexy)",
}

Deafened (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Deafened (terminal.sexy)",
}

deep

To use this scheme, add this to your config:

return {
  color_scheme = "deep",
}

Default (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Default (dark) (terminal.sexy)",
}

Default (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Default (light) (terminal.sexy)",
}

DeHydration (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "DeHydration (Gogh)",
}

Derp (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Derp (terminal.sexy)",
}

Desert

To use this scheme, add this to your config:

return {
  color_scheme = "Desert",
}

Digerati (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Digerati (terminal.sexy)",
}

DimmedMonokai

To use this scheme, add this to your config:

return {
  color_scheme = "DimmedMonokai",
}

Dissonance (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Dissonance (Gogh)",
}

Django

To use this scheme, add this to your config:

return {
  color_scheme = "Django",
}

DjangoRebornAgain

To use this scheme, add this to your config:

return {
  color_scheme = "DjangoRebornAgain",
}

DjangoSmooth

To use this scheme, add this to your config:

return {
  color_scheme = "DjangoSmooth",
}

Doom Peacock

To use this scheme, add this to your config:

return {
  color_scheme = "Doom Peacock",
}

DoomOne

To use this scheme, add this to your config:

return {
  color_scheme = "DoomOne",
}

DotGov

To use this scheme, add this to your config:

return {
  color_scheme = "DotGov",
}

Dotshare (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Dotshare (terminal.sexy)",
}

Dracula

To use this scheme, add this to your config:

return {
  color_scheme = "Dracula",
}

Dracula (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Dracula (Gogh)",
}

Dracula+

To use this scheme, add this to your config:

return {
  color_scheme = "Dracula+",
}

duckbones

To use this scheme, add this to your config:

return {
  color_scheme = "duckbones",
}

Duotone Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Duotone Dark",
}

DWM rob (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "DWM rob (terminal.sexy)",
}

X::Erosion (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "X::Erosion (terminal.sexy)",
}

Earthsong

To use this scheme, add this to your config:

return {
  color_scheme = "Earthsong",
}

Eighties (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Eighties (dark) (terminal.sexy)",
}

Eighties (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Eighties (light) (terminal.sexy)",
}

Eldorado dark (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Eldorado dark (terminal.sexy)",
}

Elemental

To use this scheme, add this to your config:

return {
  color_scheme = "Elemental",
}

Elementary

To use this scheme, add this to your config:

return {
  color_scheme = "Elementary",
}

Elementary (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Elementary (Gogh)",
}

Elic (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Elic (Gogh)",
}

Elio (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Elio (Gogh)",
}

Embers (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Embers (dark) (terminal.sexy)",
}

Embers (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Embers (light) (terminal.sexy)",
}

ENCOM

To use this scheme, add this to your config:

return {
  color_scheme = "ENCOM",
}

Epiphany (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Epiphany (terminal.sexy)",
}

Eqie6 (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Eqie6 (terminal.sexy)",
}

Erebus (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Erebus (terminal.sexy)",
}

Espresso

To use this scheme, add this to your config:

return {
  color_scheme = "Espresso",
}

Espresso Libre

To use this scheme, add this to your config:

return {
  color_scheme = "Espresso Libre",
}

Euphrasia (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Euphrasia (terminal.sexy)",
}

Fahrenheit

To use this scheme, add this to your config:

return {
  color_scheme = "Fahrenheit",
}

Fairyfloss

To use this scheme, add this to your config:

return {
  color_scheme = "Fairyfloss",
}

FairyFloss (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "FairyFloss (Gogh)",
}

FairyFlossDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "FairyFlossDark (Gogh)",
}

FarSide (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "FarSide (terminal.sexy)",
}

Fideloper

To use this scheme, add this to your config:

return {
  color_scheme = "Fideloper",
}

FirefoxDev

To use this scheme, add this to your config:

return {
  color_scheme = "FirefoxDev",
}

Firewatch

To use this scheme, add this to your config:

return {
  color_scheme = "Firewatch",
}

Fishbone (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Fishbone (terminal.sexy)",
}

FishTank

To use this scheme, add this to your config:

return {
  color_scheme = "FishTank",
}

Flat

To use this scheme, add this to your config:

return {
  color_scheme = "Flat",
}

Flat (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Flat (Gogh)",
}

Flatland

To use this scheme, add this to your config:

return {
  color_scheme = "Flatland",
}

FlatRemix (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "FlatRemix (Gogh)",
}

Floraverse

To use this scheme, add this to your config:

return {
  color_scheme = "Floraverse",
}

ForestBlue

To use this scheme, add this to your config:

return {
  color_scheme = "ForestBlue",
}

Foxnightly (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Foxnightly (Gogh)",
}

Framer

To use this scheme, add this to your config:

return {
  color_scheme = "Framer",
}

Freya (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Freya (Gogh)",
}

FrontEndDelight

To use this scheme, add this to your config:

return {
  color_scheme = "FrontEndDelight",
}

FunForrest

To use this scheme, add this to your config:

return {
  color_scheme = "FunForrest",
}

Galaxy

To use this scheme, add this to your config:

return {
  color_scheme = "Galaxy",
}

Galizur

To use this scheme, add this to your config:

return {
  color_scheme = "Galizur",
}

GeoHot (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "GeoHot (Gogh)",
}

Github

To use this scheme, add this to your config:

return {
  color_scheme = "Github",
}

GitHub Dark

To use this scheme, add this to your config:

return {
  color_scheme = "GitHub Dark",
}

GJM (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "GJM (terminal.sexy)",
}

Glacier

To use this scheme, add this to your config:

return {
  color_scheme = "Glacier",
}

Gogh (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Gogh (Gogh)",
}

gooey (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "gooey (Gogh)",
}

Google (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Google (dark) (terminal.sexy)",
}

Google (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Google (light) (terminal.sexy)",
}

GoogleDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "GoogleDark (Gogh)",
}

GoogleLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "GoogleLight (Gogh)",
}

gotham (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "gotham (Gogh)",
}

Grandshell (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Grandshell (terminal.sexy)",
}

Grape

To use this scheme, add this to your config:

return {
  color_scheme = "Grape",
}

Grass

To use this scheme, add this to your config:

return {
  color_scheme = "Grass",
}

Grayscale (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Grayscale (dark) (terminal.sexy)",
}

Grayscale (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Grayscale (light) (terminal.sexy)",
}

Greenscreen (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Greenscreen (dark) (terminal.sexy)",
}

Greenscreen (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Greenscreen (light) (terminal.sexy)",
}

Grey-green

To use this scheme, add this to your config:

return {
  color_scheme = "Grey-green",
}

Gruvbox (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Gruvbox (Gogh)",
}

Gruvbox Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Gruvbox Dark",
}

Gruvbox Light

To use this scheme, add this to your config:

return {
  color_scheme = "Gruvbox Light",
}

GruvboxDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "GruvboxDark (Gogh)",
}

Guezwhoz

To use this scheme, add this to your config:

return {
  color_scheme = "Guezwhoz",
}

Hacktober

To use this scheme, add this to your config:

return {
  color_scheme = "Hacktober",
}

Hardcore

To use this scheme, add this to your config:

return {
  color_scheme = "Hardcore",
}

Harper

To use this scheme, add this to your config:

return {
  color_scheme = "Harper",
}

HaX0R_BLUE

To use this scheme, add this to your config:

return {
  color_scheme = "HaX0R_BLUE",
}

HaX0R_GR33N

To use this scheme, add this to your config:

return {
  color_scheme = "HaX0R_GR33N",
}

HaX0R_R3D

To use this scheme, add this to your config:

return {
  color_scheme = "HaX0R_R3D",
}

HemisuDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "HemisuDark (Gogh)",
}

HemisuLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "HemisuLight (Gogh)",
}

Highway

To use this scheme, add this to your config:

return {
  color_scheme = "Highway",
}

Hipster Green

To use this scheme, add this to your config:

return {
  color_scheme = "Hipster Green",
}

Hivacruz

To use this scheme, add this to your config:

return {
  color_scheme = "Hivacruz",
}

Homebrew

To use this scheme, add this to your config:

return {
  color_scheme = "Homebrew",
}

Hopscotch

To use this scheme, add this to your config:

return {
  color_scheme = "Hopscotch",
}

Hopscotch.256

To use this scheme, add this to your config:

return {
  color_scheme = "Hopscotch.256",
}

HorizonBright (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "HorizonBright (Gogh)",
}

HorizonDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "HorizonDark (Gogh)",
}

hund (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "hund (terminal.sexy)",
}

Hurtado

To use this scheme, add this to your config:

return {
  color_scheme = "Hurtado",
}

Hybrid

To use this scheme, add this to your config:

return {
  color_scheme = "Hybrid",
}

Hybrid (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Hybrid (Gogh)",
}

Hybrid (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Hybrid (terminal.sexy)",
}

Hybrid (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Hybrid (terminal.sexy)",
}

ibm3270 (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "ibm3270 (Gogh)",
}

IBM3270(HighContrast) (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "IBM3270(HighContrast) (Gogh)",
}

IC_Green_PPL

To use this scheme, add this to your config:

return {
  color_scheme = "IC_Green_PPL",
}

IC_Orange_PPL

To use this scheme, add this to your config:

return {
  color_scheme = "IC_Orange_PPL",
}

iceberg-dark

To use this scheme, add this to your config:

return {
  color_scheme = "iceberg-dark",
}

iceberg-light

To use this scheme, add this to your config:

return {
  color_scheme = "iceberg-light",
}

ICGreenPPL (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "ICGreenPPL (Gogh)",
}

idea

To use this scheme, add this to your config:

return {
  color_scheme = "idea",
}

idleToes

To use this scheme, add this to your config:

return {
  color_scheme = "idleToes",
}

Iiamblack (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Iiamblack (terminal.sexy)",
}

Insignificato (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Insignificato (terminal.sexy)",
}

Invisibone (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Invisibone (terminal.sexy)",
}

IR_Black

To use this scheme, add this to your config:

return {
  color_scheme = "IR_Black",
}

IrBlack (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "IrBlack (Gogh)",
}

Isotope (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Isotope (dark) (terminal.sexy)",
}

Isotope (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Isotope (light) (terminal.sexy)",
}

Ivory Dark (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Ivory Dark (terminal.sexy)",
}

Ivory Light (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Ivory Light (terminal.sexy)",
}

Jackie Brown

To use this scheme, add this to your config:

return {
  color_scheme = "Jackie Brown",
}

Japanesque

To use this scheme, add this to your config:

return {
  color_scheme = "Japanesque",
}

Jason Wryan (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Jason Wryan (terminal.sexy)",
}

Jellybeans

To use this scheme, add this to your config:

return {
  color_scheme = "Jellybeans",
}

JetBrains Darcula

To use this scheme, add this to your config:

return {
  color_scheme = "JetBrains Darcula",
}

jmbi (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "jmbi (terminal.sexy)",
}

jubi

To use this scheme, add this to your config:

return {
  color_scheme = "jubi",
}

Jup (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Jup (Gogh)",
}

JWR dark (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "JWR dark (terminal.sexy)",
}

kanagawabones

To use this scheme, add this to your config:

return {
  color_scheme = "kanagawabones",
}

Kasugano (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Kasugano (terminal.sexy)",
}

Kibble

To use this scheme, add this to your config:

return {
  color_scheme = "Kibble",
}

kokuban (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "kokuban (Gogh)",
}

Kolorit

To use this scheme, add this to your config:

return {
  color_scheme = "Kolorit",
}

Konsolas

To use this scheme, add this to your config:

return {
  color_scheme = "Konsolas",
}

Lab Fox

To use this scheme, add this to your config:

return {
  color_scheme = "Lab Fox",
}

Laser

To use this scheme, add this to your config:

return {
  color_scheme = "Laser",
}

laserwave (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "laserwave (Gogh)",
}

Later This Evening

To use this scheme, add this to your config:

return {
  color_scheme = "Later This Evening",
}

Lavandula

To use this scheme, add this to your config:

return {
  color_scheme = "Lavandula",
}

Light White (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Light White (terminal.sexy)",
}

LiquidCarbon

To use this scheme, add this to your config:

return {
  color_scheme = "LiquidCarbon",
}

LiquidCarbonTransparent

To use this scheme, add this to your config:

return {
  color_scheme = "LiquidCarbonTransparent",
}

LiquidCarbonTransparentInverse

To use this scheme, add this to your config:

return {
  color_scheme = "LiquidCarbonTransparentInverse",
}

Londontube (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Londontube (dark) (terminal.sexy)",
}

Londontube (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Londontube (light) (terminal.sexy)",
}

Lost Woods (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Lost Woods (terminal.sexy)",
}

lovelace

To use this scheme, add this to your config:

return {
  color_scheme = "lovelace",
}

Low Contrast (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Low Contrast (terminal.sexy)",
}

Lumifoo (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Lumifoo (terminal.sexy)",
}

LunariaDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "LunariaDark (Gogh)",
}

LunariaEclipse (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "LunariaEclipse (Gogh)",
}

LunariaLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "LunariaLight (Gogh)",
}

Maia (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Maia (Gogh)",
}

Man Page

To use this scheme, add this to your config:

return {
  color_scheme = "Man Page",
}

Mar (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Mar (Gogh)",
}

Mariana

To use this scheme, add this to your config:

return {
  color_scheme = "Mariana",
}

Marrakesh (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Marrakesh (dark) (terminal.sexy)",
}

Marrakesh (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Marrakesh (light) (terminal.sexy)",
}

Mashup Colors (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Mashup Colors (terminal.sexy)",
}

Material

To use this scheme, add this to your config:

return {
  color_scheme = "Material",
}

Material (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Material (Gogh)",
}

Material (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Material (terminal.sexy)",
}

MaterialDark

To use this scheme, add this to your config:

return {
  color_scheme = "MaterialDark",
}

MaterialDarker

To use this scheme, add this to your config:

return {
  color_scheme = "MaterialDarker",
}

MaterialDesignColors

To use this scheme, add this to your config:

return {
  color_scheme = "MaterialDesignColors",
}

MaterialOcean

To use this scheme, add this to your config:

return {
  color_scheme = "MaterialOcean",
}

Mathias

To use this scheme, add this to your config:

return {
  color_scheme = "Mathias",
}

matrix

To use this scheme, add this to your config:

return {
  color_scheme = "matrix",
}

Matrix (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Matrix (terminal.sexy)",
}

Medallion

To use this scheme, add this to your config:

return {
  color_scheme = "Medallion",
}

midnight-in-mojave

To use this scheme, add this to your config:

return {
  color_scheme = "midnight-in-mojave",
}

Mikado (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Mikado (terminal.sexy)",
}

Mikazuki (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Mikazuki (terminal.sexy)",
}

Mirage

To use this scheme, add this to your config:

return {
  color_scheme = "Mirage",
}

Misterioso

To use this scheme, add this to your config:

return {
  color_scheme = "Misterioso",
}

Mocha (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Mocha (dark) (terminal.sexy)",
}

Mocha (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Mocha (light) (terminal.sexy)",
}

Molokai

To use this scheme, add this to your config:

return {
  color_scheme = "Molokai",
}

Molokai (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Molokai (Gogh)",
}

MonaLisa

To use this scheme, add this to your config:

return {
  color_scheme = "MonaLisa",
}

Mono (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Mono (terminal.sexy)",
}

Mono Theme (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Mono Theme (terminal.sexy)",
}

mono-amber (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "mono-amber (Gogh)",
}

mono-cyan (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "mono-cyan (Gogh)",
}

mono-green (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "mono-green (Gogh)",
}

mono-red (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "mono-red (Gogh)",
}

mono-white (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "mono-white (Gogh)",
}

mono-yellow (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "mono-yellow (Gogh)",
}

Monokai (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Monokai (dark) (terminal.sexy)",
}

Monokai (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Monokai (light) (terminal.sexy)",
}

Monokai (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Monokai (terminal.sexy)",
}

Monokai Remastered

To use this scheme, add this to your config:

return {
  color_scheme = "Monokai Remastered",
}

Monokai Soda

To use this scheme, add this to your config:

return {
  color_scheme = "Monokai Soda",
}

Monokai Vivid

To use this scheme, add this to your config:

return {
  color_scheme = "Monokai Vivid",
}

MonokaiDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "MonokaiDark (Gogh)",
}

MonokaiPro (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "MonokaiPro (Gogh)",
}

MonokaiProRistretto (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "MonokaiProRistretto (Gogh)",
}

Morada (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Morada (Gogh)",
}

Mostly Bright (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Mostly Bright (terminal.sexy)",
}

Muse (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Muse (terminal.sexy)",
}

N0tch2k

To use this scheme, add this to your config:

return {
  color_scheme = "N0tch2k",
}

Nancy (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Nancy (terminal.sexy)",
}

Nature Suede (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Nature Suede (terminal.sexy)",
}

Navy and Ivory (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Navy and Ivory (terminal.sexy)",
}

neobones_dark

To use this scheme, add this to your config:

return {
  color_scheme = "neobones_dark",
}

neobones_light

To use this scheme, add this to your config:

return {
  color_scheme = "neobones_light",
}

Neon

To use this scheme, add this to your config:

return {
  color_scheme = "Neon",
}

Neon (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Neon (terminal.sexy)",
}

neon-night (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "neon-night (Gogh)",
}

Neopolitan

To use this scheme, add this to your config:

return {
  color_scheme = "Neopolitan",
}

Nep (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Nep (Gogh)",
}

Neutron

To use this scheme, add this to your config:

return {
  color_scheme = "Neutron",
}

Night Owlish Light

To use this scheme, add this to your config:

return {
  color_scheme = "Night Owlish Light",
}

NightLion v1

To use this scheme, add this to your config:

return {
  color_scheme = "NightLion v1",
}

NightLion v2

To use this scheme, add this to your config:

return {
  color_scheme = "NightLion v2",
}

NightOwl (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "NightOwl (Gogh)",
}

nighty (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "nighty (Gogh)",
}

Nocturnal Winter

To use this scheme, add this to your config:

return {
  color_scheme = "Nocturnal Winter",
}

nord

To use this scheme, add this to your config:

return {
  color_scheme = "nord",
}

nord-light

To use this scheme, add this to your config:

return {
  color_scheme = "nord-light",
}

NordLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "NordLight (Gogh)",
}

Novel

To use this scheme, add this to your config:

return {
  color_scheme = "Novel",
}

Nucolors (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Nucolors (terminal.sexy)",
}

Nudge (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Nudge (terminal.sexy)",
}

Numix Darkest (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Numix Darkest (terminal.sexy)",
}

Obsidian

To use this scheme, add this to your config:

return {
  color_scheme = "Obsidian",
}

Ocean

To use this scheme, add this to your config:

return {
  color_scheme = "Ocean",
}

Ocean (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Ocean (dark) (terminal.sexy)",
}

Ocean (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Ocean (light) (terminal.sexy)",
}

OceanDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "OceanDark (Gogh)",
}

Oceanic-Next

To use this scheme, add this to your config:

return {
  color_scheme = "Oceanic-Next",
}

OceanicMaterial

To use this scheme, add this to your config:

return {
  color_scheme = "OceanicMaterial",
}

Ollie

To use this scheme, add this to your config:

return {
  color_scheme = "Ollie",
}

Omni (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Omni (Gogh)",
}

OneDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "OneDark (Gogh)",
}

OneHalfBlack (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "OneHalfBlack (Gogh)",
}

OneHalfDark

To use this scheme, add this to your config:

return {
  color_scheme = "OneHalfDark",
}

OneHalfLight

To use this scheme, add this to your config:

return {
  color_scheme = "OneHalfLight",
}

OneLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "OneLight (Gogh)",
}

Operator Mono Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Operator Mono Dark",
}

Orangish (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Orangish (terminal.sexy)",
}

Overnight Slumber

To use this scheme, add this to your config:

return {
  color_scheme = "Overnight Slumber",
}

palenight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "palenight (Gogh)",
}

PaleNightHC

To use this scheme, add this to your config:

return {
  color_scheme = "PaleNightHC",
}

Pali (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Pali (Gogh)",
}

Panda (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Panda (Gogh)",
}

Pandora

To use this scheme, add this to your config:

return {
  color_scheme = "Pandora",
}

Panels (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Panels (terminal.sexy)",
}

PaperColorDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "PaperColorDark (Gogh)",
}

PaperColorLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "PaperColorLight (Gogh)",
}

Paraiso (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Paraiso (light) (terminal.sexy)",
}

Paraiso Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Paraiso Dark",
}

Parker Brothers (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Parker Brothers (terminal.sexy)",
}

Pastel White (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Pastel White (terminal.sexy)",
}

PaulMillr

To use this scheme, add this to your config:

return {
  color_scheme = "PaulMillr",
}

PaulMillr (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "PaulMillr (Gogh)",
}

PencilDark

To use this scheme, add this to your config:

return {
  color_scheme = "PencilDark",
}

PencilLight

To use this scheme, add this to your config:

return {
  color_scheme = "PencilLight",
}

Peppermint

To use this scheme, add this to your config:

return {
  color_scheme = "Peppermint",
}

Peppermint (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Peppermint (Gogh)",
}

Phrak1 (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Phrak1 (terminal.sexy)",
}

Piatto Light

To use this scheme, add this to your config:

return {
  color_scheme = "Piatto Light",
}

Pixiefloss (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Pixiefloss (Gogh)",
}

Pnevma

To use this scheme, add this to your config:

return {
  color_scheme = "Pnevma",
}

Popping and Locking

To use this scheme, add this to your config:

return {
  color_scheme = "Popping and Locking",
}

PowerShell (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "PowerShell (Gogh)",
}

Pretty and Pastel (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Pretty and Pastel (terminal.sexy)",
}

primary

To use this scheme, add this to your config:

return {
  color_scheme = "primary",
}

Pro

To use this scheme, add this to your config:

return {
  color_scheme = "Pro",
}

Pro Light

To use this scheme, add this to your config:

return {
  color_scheme = "Pro Light",
}

Pulp (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Pulp (terminal.sexy)",
}

Purple Rain

To use this scheme, add this to your config:

return {
  color_scheme = "Purple Rain",
}

PurplePeopleEater (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "PurplePeopleEater (Gogh)",
}

purplepeter

To use this scheme, add this to your config:

return {
  color_scheme = "purplepeter",
}

Railscasts (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Railscasts (dark) (terminal.sexy)",
}

Railscasts (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Railscasts (light) (terminal.sexy)",
}

Rapture

To use this scheme, add this to your config:

return {
  color_scheme = "Rapture",
}

Rasi (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Rasi (terminal.sexy)",
}

Raycast_Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Raycast_Dark",
}

Raycast_Light

To use this scheme, add this to your config:

return {
  color_scheme = "Raycast_Light",
}

rebecca

To use this scheme, add this to your config:

return {
  color_scheme = "rebecca",
}

Red Alert

To use this scheme, add this to your config:

return {
  color_scheme = "Red Alert",
}

Red Phoenix (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Red Phoenix (terminal.sexy)",
}

Red Planet

To use this scheme, add this to your config:

return {
  color_scheme = "Red Planet",
}

Red Sands

To use this scheme, add this to your config:

return {
  color_scheme = "Red Sands",
}

Relaxed

To use this scheme, add this to your config:

return {
  color_scheme = "Relaxed",
}

Retro

To use this scheme, add this to your config:

return {
  color_scheme = "Retro",
}

Rezza (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Rezza (terminal.sexy)",
}

Rippedcasts

To use this scheme, add this to your config:

return {
  color_scheme = "Rippedcasts",
}

Rouge 2

To use this scheme, add this to your config:

return {
  color_scheme = "Rouge 2",
}

Royal

To use this scheme, add this to your config:

return {
  color_scheme = "Royal",
}

Rydgel (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Rydgel (terminal.sexy)",
}

Ryuuko

To use this scheme, add this to your config:

return {
  color_scheme = "Ryuuko",
}

s3r0 modified (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "s3r0 modified (terminal.sexy)",
}

Sakura

To use this scheme, add this to your config:

return {
  color_scheme = "Sakura",
}

Sat (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Sat (Gogh)",
}

Scarlet Protocol

To use this scheme, add this to your config:

return {
  color_scheme = "Scarlet Protocol",
}

Seafoam Pastel

To use this scheme, add this to your config:

return {
  color_scheme = "Seafoam Pastel",
}

SeaShells

To use this scheme, add this to your config:

return {
  color_scheme = "SeaShells",
}

seoulbones_dark

To use this scheme, add this to your config:

return {
  color_scheme = "seoulbones_dark",
}

seoulbones_light

To use this scheme, add this to your config:

return {
  color_scheme = "seoulbones_light",
}

Seti

To use this scheme, add this to your config:

return {
  color_scheme = "Seti",
}

Sex Colors (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Sex Colors (terminal.sexy)",
}

shades-of-purple

To use this scheme, add this to your config:

return {
  color_scheme = "shades-of-purple",
}

Shaman

To use this scheme, add this to your config:

return {
  color_scheme = "Shaman",
}

Shapeshifter (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Shapeshifter (dark) (terminal.sexy)",
}

Shapeshifter (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Shapeshifter (light) (terminal.sexy)",
}

Shel (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Shel (Gogh)",
}

Shic (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Shic (terminal.sexy)",
}

Simple Rainbow (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Simple Rainbow (terminal.sexy)",
}

Slate

To use this scheme, add this to your config:

return {
  color_scheme = "Slate",
}

SleepyHollow

To use this scheme, add this to your config:

return {
  color_scheme = "SleepyHollow",
}

Smyck

To use this scheme, add this to your config:

return {
  color_scheme = "Smyck",
}

Smyck (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Smyck (Gogh)",
}

Snazzy

To use this scheme, add this to your config:

return {
  color_scheme = "Snazzy",
}

Snazzy (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Snazzy (Gogh)",
}

SoftServer

To use this scheme, add this to your config:

return {
  color_scheme = "SoftServer",
}

Solarized (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Solarized (dark) (terminal.sexy)",
}

Solarized (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Solarized (light) (terminal.sexy)",
}

Solarized Darcula

To use this scheme, add this to your config:

return {
  color_scheme = "Solarized Darcula",
}

Solarized Dark - Patched

To use this scheme, add this to your config:

return {
  color_scheme = "Solarized Dark - Patched",
}

Solarized Dark Higher Contrast

To use this scheme, add this to your config:

return {
  color_scheme = "Solarized Dark Higher Contrast",
}

SolarizedDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "SolarizedDark (Gogh)",
}

Sonokai (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Sonokai (Gogh)",
}

SOS (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "SOS (terminal.sexy)",
}

Spacedust

To use this scheme, add this to your config:

return {
  color_scheme = "Spacedust",
}

SpaceGray

To use this scheme, add this to your config:

return {
  color_scheme = "SpaceGray",
}

SpaceGray Eighties

To use this scheme, add this to your config:

return {
  color_scheme = "SpaceGray Eighties",
}

SpaceGray Eighties Dull

To use this scheme, add this to your config:

return {
  color_scheme = "SpaceGray Eighties Dull",
}

Spiderman

To use this scheme, add this to your config:

return {
  color_scheme = "Spiderman",
}

Splurge (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Splurge (terminal.sexy)",
}

Spring

To use this scheme, add this to your config:

return {
  color_scheme = "Spring",
}

Spring (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Spring (Gogh)",
}

Square

To use this scheme, add this to your config:

return {
  color_scheme = "Square",
}

Square (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Square (Gogh)",
}

Srcery (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Srcery (Gogh)",
}

Sublette

To use this scheme, add this to your config:

return {
  color_scheme = "Sublette",
}

Subliminal

To use this scheme, add this to your config:

return {
  color_scheme = "Subliminal",
}

summer-pop (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "summer-pop (Gogh)",
}

Sundried

To use this scheme, add this to your config:

return {
  color_scheme = "Sundried",
}

Swayr (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Swayr (terminal.sexy)",
}

Sweet Love (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Sweet Love (terminal.sexy)",
}

sweet-eliverlara (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "sweet-eliverlara (Gogh)",
}

SweetTerminal (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "SweetTerminal (Gogh)",
}

Symfonic

To use this scheme, add this to your config:

return {
  color_scheme = "Symfonic",
}

synthwave

To use this scheme, add this to your config:

return {
  color_scheme = "synthwave",
}

SynthWave (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "SynthWave (Gogh)",
}

synthwave-everything

To use this scheme, add this to your config:

return {
  color_scheme = "synthwave-everything",
}

Tango (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Tango (terminal.sexy)",
}

Tango Adapted

To use this scheme, add this to your config:

return {
  color_scheme = "Tango Adapted",
}

Tango Half Adapted

To use this scheme, add this to your config:

return {
  color_scheme = "Tango Half Adapted",
}

Tangoesque (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Tangoesque (terminal.sexy)",
}

Tartan (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Tartan (terminal.sexy)",
}

Teerb

To use this scheme, add this to your config:

return {
  color_scheme = "Teerb",
}

Tender (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Tender (Gogh)",
}

Terminal Basic

To use this scheme, add this to your config:

return {
  color_scheme = "Terminal Basic",
}

TerminixDark (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "TerminixDark (Gogh)",
}

Teva (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Teva (terminal.sexy)",
}

Thayer Bright

To use this scheme, add this to your config:

return {
  color_scheme = "Thayer Bright",
}

The Hulk

To use this scheme, add this to your config:

return {
  color_scheme = "The Hulk",
}

theme2 (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "theme2 (terminal.sexy)",
}

thwump (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "thwump (terminal.sexy)",
}

Tin (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Tin (Gogh)",
}

Tinacious Design (Dark)

To use this scheme, add this to your config:

return {
  color_scheme = "Tinacious Design (Dark)",
}

Tinacious Design (Light)

To use this scheme, add this to your config:

return {
  color_scheme = "Tinacious Design (Light)",
}

tlh (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "tlh (terminal.sexy)",
}

tokyonight

To use this scheme, add this to your config:

return {
  color_scheme = "tokyonight",
}

TokyoNight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "TokyoNight (Gogh)",
}

tokyonight-day

To use this scheme, add this to your config:

return {
  color_scheme = "tokyonight-day",
}

tokyonight-storm

To use this scheme, add this to your config:

return {
  color_scheme = "tokyonight-storm",
}

TokyoNightLight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "TokyoNightLight (Gogh)",
}

TokyoNightStorm (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "TokyoNightStorm (Gogh)",
}

Tomorrow

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow",
}

Tomorrow (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow (dark) (terminal.sexy)",
}

Tomorrow (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow (Gogh)",
}

Tomorrow (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow (light) (terminal.sexy)",
}

Tomorrow Night

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow Night",
}

Tomorrow Night Blue

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow Night Blue",
}

Tomorrow Night Bright

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow Night Bright",
}

Tomorrow Night Burns

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow Night Burns",
}

Tomorrow Night Eighties

To use this scheme, add this to your config:

return {
  color_scheme = "Tomorrow Night Eighties",
}

TomorrowNight (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "TomorrowNight (Gogh)",
}

TomorrowNightBlue (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "TomorrowNightBlue (Gogh)",
}

TomorrowNightBright (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "TomorrowNightBright (Gogh)",
}

TomorrowNightEighties (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "TomorrowNightEighties (Gogh)",
}

ToyChest

To use this scheme, add this to your config:

return {
  color_scheme = "ToyChest",
}

Treehouse

To use this scheme, add this to your config:

return {
  color_scheme = "Treehouse",
}

Trim Yer Beard (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Trim Yer Beard (terminal.sexy)",
}

Twilight

To use this scheme, add this to your config:

return {
  color_scheme = "Twilight",
}

Twilight (dark) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Twilight (dark) (terminal.sexy)",
}

Twilight (light) (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Twilight (light) (terminal.sexy)",
}

Ubuntu

To use this scheme, add this to your config:

return {
  color_scheme = "Ubuntu",
}

UltraDark

To use this scheme, add this to your config:

return {
  color_scheme = "UltraDark",
}

UltraViolent

To use this scheme, add this to your config:

return {
  color_scheme = "UltraViolent",
}

UnderTheSea

To use this scheme, add this to your config:

return {
  color_scheme = "UnderTheSea",
}

Unikitty

To use this scheme, add this to your config:

return {
  color_scheme = "Unikitty",
}

Unsifted Wheat (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Unsifted Wheat (terminal.sexy)",
}

Ura (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Ura (Gogh)",
}

Urple

To use this scheme, add this to your config:

return {
  color_scheme = "Urple",
}

Vacuous 2 (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Vacuous 2 (terminal.sexy)",
}

Vag (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Vag (Gogh)",
}

Vaughn

To use this scheme, add this to your config:

return {
  color_scheme = "Vaughn",
}

VibrantInk

To use this scheme, add this to your config:

return {
  color_scheme = "VibrantInk",
}

vimbones

To use this scheme, add this to your config:

return {
  color_scheme = "vimbones",
}

Violet Dark

To use this scheme, add this to your config:

return {
  color_scheme = "Violet Dark",
}

Violet Light

To use this scheme, add this to your config:

return {
  color_scheme = "Violet Light",
}

VisiBlue (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "VisiBlue (terminal.sexy)",
}

VisiBone (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "VisiBone (terminal.sexy)",
}

Visibone Alt. 2 (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Visibone Alt. 2 (terminal.sexy)",
}

VSCodeDark+ (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "VSCodeDark+ (Gogh)",
}

VSCodeLight+ (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "VSCodeLight+ (Gogh)",
}

VWbug (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "VWbug (terminal.sexy)",
}

WarmNeon

To use this scheme, add this to your config:

return {
  color_scheme = "WarmNeon",
}

Wez

To use this scheme, add this to your config:

return {
  color_scheme = "Wez",
}

Whimsy

To use this scheme, add this to your config:

return {
  color_scheme = "Whimsy",
}

WildCherry

To use this scheme, add this to your config:

return {
  color_scheme = "WildCherry",
}

Wombat

To use this scheme, add this to your config:

return {
  color_scheme = "Wombat",
}

Wryan

To use this scheme, add this to your config:

return {
  color_scheme = "Wryan",
}

Wzoreck (Gogh)

To use this scheme, add this to your config:

return {
  color_scheme = "Wzoreck (Gogh)",
}

Yousai (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "Yousai (terminal.sexy)",
}

zenbones

To use this scheme, add this to your config:

return {
  color_scheme = "zenbones",
}

zenbones_dark

To use this scheme, add this to your config:

return {
  color_scheme = "zenbones_dark",
}

zenbones_light

To use this scheme, add this to your config:

return {
  color_scheme = "zenbones_light",
}

Zenburn

To use this scheme, add this to your config:

return {
  color_scheme = "Zenburn",
}

zenburn (terminal.sexy)

To use this scheme, add this to your config:

return {
  color_scheme = "zenburn (terminal.sexy)",
}

zenburned

To use this scheme, add this to your config:

return {
  color_scheme = "zenburned",
}

zenwritten_dark

To use this scheme, add this to your config:

return {
  color_scheme = "zenwritten_dark",
}

zenwritten_light

To use this scheme, add this to your config:

return {
  color_scheme = "zenwritten_light",
}

Scrollback

WezTerm provides a searchable scrollback buffer with a configurable maximum size limit that allows you to review information that doesn't fit in the physical window size. As content is printed to the display the display may be scrolled up to accommodate newly added lines. The scrolled lines are moved into the scrollback buffer and can be reviewed by scrolling the window up or down.

This section describes working with the scrollback and discusses some configuration options; be sure to read the configuration docs to learn how to change your settings!

Controlling the scrollback size

This value serves as an upper bound on the number of lines. The larger this value, the more memory is required to manage the tab. If you have a lot of long lived tabs then making this value very large may put some pressure on your system depending on the amount of RAM you have available.

return {
  -- How many lines of scrollback you want to retain per tab
  scrollback_lines = 3500,
}

Clearing the scrollback buffer

By default, CTRL-SHIFT-K and CMD-K will trigger the ClearScrollback action and discard the contents of the scrollback buffer. There is no way to undo discarding the scrollback.

See the ClearScrollback docs for information on rebinding this key.

Enable/Disable scrollbar

You can control whether WezTerm displays a scrollbar via your configuration file:

return {
  -- Enable the scrollbar.
  -- It will occupy the right window padding space.
  -- If right padding is set to 0 then it will be increased
  -- to a single cell width
  enable_scroll_bar = true,
}

You may change the color of the scrollbar if you wish!

Scrolling without a scrollbar

By default, SHIFT-PageUp and SHIFT-PageDown will adjust the viewport scrollback position by one full screen for each press.

See the ScrollByPage docs for more information on this key binding assignment.

Searching the scrollback

By default, CTRL-SHIFT-F and CMD-F (F for Find) will activate the search overlay in the current tab.

When the search overlay is active the behavior of wezterm changes:

  • Typing (or pasting) text will populate the search pattern in the bar at the bottom of the screen.
  • Text from the scrollback that matches the search pattern will be highlighted and the number of matches shown in the search bar.
  • The bottom-most match will be selected and the viewport scrolled to show the selected text.
  • Enter, UpArrow and CTRL-P will cause the selection to move to any prior matching text.
  • PageUp will traverse to previous matches one page at a time.
  • CTRL-N and DownArrow will cause the selection to move to any next matching text.
  • PageDown will traverse to the next match one page at a time.
  • CTRL-R will cycle through the pattern matching mode; the initial mode is case-sensitive text matching, the next will match ignoring case and the last will match using the regular expression syntax described here. The matching mode is indicated in the search bar.
  • CTRL-U will clear the search pattern so you can start over.
  • CTRL-SHIFT-C will copy the selected text to the clipboard.
  • Escape will cancel the search overlay, leaving the currently selected text selected with the viewport scrolled to that location.

Configurable search mode key assignments

Since: 20220624-141144-bd1b7c5d

The key assignments for copy mode are specified by the search_mode Key Table.

You may provide your own definition of this key table if you wish to customize it. There isn't a way to override portions of the key table, only to replace the entire table.

The default configuration is equivalent to:

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  key_tables = {
    search_mode = {
      {key="Escape", mods="NONE", action=act.CopyMode("Close")},
      {key="UpArrow", mods="NONE", action=act.CopyMode("PriorMatch")},
      {key="Enter", mods="NONE", action=act.CopyMode("PriorMatch")},
      {key="p", mods="CTRL", action=act.CopyMode("PriorMatch")},
      {key="PageUp", mods="NONE", action=act.CopyMode("PriorMatchPage")},
      {key="PageDown", mods="NONE", action=act.CopyMode("NextMatchPage")},
      {key="n", mods="CTRL", action=act.CopyMode("NextMatchPage")},
      {key="DownArrow", mods="NONE", action=act.CopyMode("NextMatch")},
      {key="r", mods="CTRL", action=act.CopyMode("CycleMatchType")},
      {key="u", mods="CTRL", action=act.CopyMode("ClearPattern")},
    }
  }
}

(Those assignments reference CopyMode because search mode is a facet of Copy Mode).

Configuring Saved Searches

since: 20200607-144723-74889cd4

If you find that you're often searching for the same things then you may wish to assign a keybinding to trigger that search.

For example, if you find that you're frequently running git log and then reaching for your mouse to copy and paste a relevant git commit hash then you might like this:

local wezterm = require 'wezterm';
return {
  keys = {
    -- search for things that look like git hashes
    {key="H", mods="SHIFT|CTRL", action=wezterm.action.Search{Regex="[a-f0-9]{6,}"}},
  },
}

With that in your config you can now:

  • CTRL-SHIFT-H to highlight all the git hashes and select the closest one to the bottom of the screen.
  • Use ENTER/CTRL-N/CTRL-P to cycle through the git hashes
  • CTRL-SHIFT-C to copy
  • Escape
  • CTRL-SHIFT-V (or SHIFT-Insert) to Paste

without needing to reach for your mouse.

See the Search action docs for more information on using the Search action.

Quick Select Mode

Since: 20210502-154244-3f7122cb

Quick Select mode allows you to quickly highlight text that matches commonly copied patterns, select a match by typing a one-or-two character prefix and copy it to the clipboard.

The QuickSelect key assignment is used to enter quick select mode; it is bound to CTRL-SHIFT-SPACE by default.

When quick select mode is activated, the terminal is searched for items that match the patterns defined by the quick_select_patterns configuration combined with a default set of patterns that match things such as URL and path fragments, git hashes, ip addresses and numbers.

Matches are highlighted and shown with a one or two character prefix derived from the quick_select_alphabet configuration.

The bottom of the screen shows your input text along with a hint as to what to do next; typing in a highlighted prefix will cause that text to be selected and copied to the clipboard, and quick select mode will be cancelled.

Typing in the uppercase form of the prefix will copy AND paste the highlighted text, and cancel quick select mod.

Pressing ESCAPE will cancel quick select mode.

Screenshot demonstrating the quickselect text highlights

Copy Mode

since: 20200607-144723-74889cd4

Copy mode allows you to make selections using the keyboard; no need to reach for your mouse or trackpad. Copy mode is similar to quick select mode but is geared up for describing selections based on keyboard control, whereas quick select mode is used to quickly select and copy commonly used patterns.

The ActivateCopyMode key assignment is used to enter copy mode; it is bound to CTRL-SHIFT-X by default.

When copy mode is activated, the title is prefixed with "Copy Mode" and the behavior of the tab is changed; keyboard input now controls the cursor and allows moving it through the scrollback, scrolling the viewport as needed, in a style similar to that of the Vim editor.

Move the cursor to the start of the region you wish to select and press v to toggle selection mode (it is off by default), then move the cursor to the end of that region. You can then use Copy (by default: CTRl-SHIFT-C) to copy that region to the clipboard.

Key Assignments

The key assignments in copy mode are as follows. They are not currently reassignable.

ActionKey Assignment
Exit copy modeEsc
CTRL-C
CTRL-g
q
Cell selectionv
Line selectionV
Rectangular selectionCTRL-v (since: 20220624-141144-bd1b7c5d)
Move LeftLeftArrow
h
Move DownDownArrow
j
Move UpUpArrow
k
Move RightRightArrow
l
Move forward one wordAlt-RightArrow
Alt-f
Tab
w
Move backward one wordAlt-LeftArrow
alt-b
Shift-Tab
b
Move to start of this line0
Move to start of next lineEnter
Move to end of this line$
Move to start of indented lineAlt-m
^
Move to bottom of scrollbackG
Move to top of scrollbackg
Move to top of viewportH
Move to middle of viewportM
Move to bottom of viewportL
Move up one screenPageUp
CTRL-b
Move down one screenPageDown
CTRL-f
Move to other end of the selectiono
Move to other end of the selection horizontallyO (useful in Rectangular mode)

Configurable Key Assignments

Since: 20220624-141144-bd1b7c5d

The key assignments for copy mode are specified by the copy_mode Key Table.

You may provide your own definition of this key table if you wish to customize it. There isn't a way to override portions of the key table, only to replace the entire table.

The default configuration is equivalent to:

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  key_tables = {
    copy_mode = {
      {key="c", mods="CTRL", action=act.CopyMode("Close")},
      {key="g", mods="CTRL", action=act.CopyMode("Close")},
      {key="q", mods="NONE", action=act.CopyMode("Close")},
      {key="Escape", mods="NONE", action=act.CopyMode("Close")},

      {key="h", mods="NONE", action=act.CopyMode("MoveLeft")},
      {key="j", mods="NONE", action=act.CopyMode("MoveDown")},
      {key="k", mods="NONE", action=act.CopyMode("MoveUp")},
      {key="l", mods="NONE", action=act.CopyMode("MoveRight")},

      {key="LeftArrow",  mods="NONE", action=act.CopyMode("MoveLeft")},
      {key="DownArrow",  mods="NONE", action=act.CopyMode("MoveDown")},
      {key="UpArrow",    mods="NONE", action=act.CopyMode("MoveUp")},
      {key="RightArrow", mods="NONE", action=act.CopyMode("MoveRight")},

      {key="RightArrow", mods="ALT",  action=act.CopyMode("MoveForwardWord")},
      {key="f",          mods="ALT",  action=act.CopyMode("MoveForwardWord")},
      {key="Tab",        mods="NONE", action=act.CopyMode("MoveForwardWord")},
      {key="w",          mods="NONE", action=act.CopyMode("MoveForwardWord")},

      {key="LeftArrow", mods="ALT",   action=act.CopyMode("MoveBackwardWord")},
      {key="b",         mods="ALT",   action=act.CopyMode("MoveBackwardWord")},
      {key="Tab",       mods="SHIFT", action=act.CopyMode("MoveBackwardWord")},
      {key="b",         mods="NONE",  action=act.CopyMode("MoveBackwardWord")},

      {key="0",     mods="NONE",  action=act.CopyMode("MoveToStartOfLine")},
      {key="Enter", mods="NONE",  action=act.CopyMode("MoveToStartOfNextLine")},

      {key="$",     mods="NONE",  action=act.CopyMode("MoveToEndOfLineContent")},
      {key="$",     mods="SHIFT", action=act.CopyMode("MoveToEndOfLineContent")},
      {key="^",     mods="NONE",  action=act.CopyMode("MoveToStartOfLineContent")},
      {key="^",     mods="SHIFT", action=act.CopyMode("MoveToStartOfLineContent")},
      {key="m",     mods="ALT",   action=act.CopyMode("MoveToStartOfLineContent")},

      {key=" ", mods="NONE",  action=act.CopyMode{SetSelectionMode="Cell"}},
      {key="v", mods="NONE",  action=act.CopyMode{SetSelectionMode="Cell"}},
      {key="V", mods="NONE",  action=act.CopyMode{SetSelectionMode="Line"}},
      {key="V", mods="SHIFT", action=act.CopyMode{SetSelectionMode="Line"}},
      {key="v", mods="CTRL",  action=act.CopyMode{SetSelectionMode="Block"}},

      {key="G", mods="NONE",  action=act.CopyMode("MoveToScrollbackBottom")},
      {key="G", mods="SHIFT", action=act.CopyMode("MoveToScrollbackBottom")},
      {key="g", mods="NONE",  action=act.CopyMode("MoveToScrollbackTop")},

      {key="H", mods="NONE",  action=act.CopyMode("MoveToViewportTop")},
      {key="H", mods="SHIFT", action=act.CopyMode("MoveToViewportTop")},
      {key="M", mods="NONE",  action=act.CopyMode("MoveToViewportMiddle")},
      {key="M", mods="SHIFT", action=act.CopyMode("MoveToViewportMiddle")},
      {key="L", mods="NONE",  action=act.CopyMode("MoveToViewportBottom")},
      {key="L", mods="SHIFT", action=act.CopyMode("MoveToViewportBottom")},

      {key="o", mods="NONE",  action=act.CopyMode("MoveToSelectionOtherEnd")},
      {key="O", mods="NONE",  action=act.CopyMode("MoveToSelectionOtherEndHoriz")},
      {key="O", mods="SHIFT", action=act.CopyMode("MoveToSelectionOtherEndHoriz")},

      {key="PageUp",   mods="NONE", action=act.CopyMode("PageUp")},
      {key="PageDown", mods="NONE", action=act.CopyMode("PageDown")},

      {key="b", mods="CTRL", action=act.CopyMode("PageUp")},
      {key="f", mods="CTRL", action=act.CopyMode("PageDown")},
    },
  },
}

wezterm has support for both implicit and explicit hyperlinks.

Implicit hyperlinks are produced by running a series of rules over the output displayed in the terminal to produce a hyperlink. There is a default rule to match URLs and make them clickable, but you can also specify your own rules to make your own links. As an example, at my place of work many of our internal tools use T123 to indicate task number 123 in our internal task tracking system. It is desirable to make this clickable, and that can be done with the following configuration in your ~/.wezterm.lua:

return {
  hyperlink_rules = {
    -- Linkify things that look like URLs and the host has a TLD name.
    -- Compiled-in default. Used if you don't specify any hyperlink_rules.
    {
      regex = "\\b\\w+://[\\w.-]+\\.[a-z]{2,15}\\S*\\b",
      format = "$0",
    },

    -- linkify email addresses
    -- Compiled-in default. Used if you don't specify any hyperlink_rules.
    {
      regex = [[\b\w+@[\w-]+(\.[\w-]+)+\b]],
      format = "mailto:$0",
    },

    -- file:// URI
    -- Compiled-in default. Used if you don't specify any hyperlink_rules.
    {
      regex = [[\bfile://\S*\b]],
      format = "$0",
    },

    -- Linkify things that look like URLs with numeric addresses as hosts.
    -- E.g. http://127.0.0.1:8000 for a local development server,
    -- or http://192.168.1.1 for the web interface of many routers.
    {
      regex = [[\b\w+://(?:[\d]{1,3}\.){3}[\d]{1,3}\S*\b]],
      format = "$0",
    },

    -- Make task numbers clickable
    -- The first matched regex group is captured in $1.
    {
      regex = [[\b[tT](\d+)\b]],
      format = "https://example.com/tasks/?t=$1",
    },
    
    -- Make username/project paths clickable. This implies paths like the following are for GitHub.
    -- ( "nvim-treesitter/nvim-treesitter" | wbthomason/packer.nvim | wez/wezterm | "wez/wezterm.git" )
    -- As long as a full URL hyperlink regex exists above this it should not match a full URL to 
    -- GitHub or GitLab / BitBucket (i.e. https://gitlab.com/user/project.git is still a whole clickable URL)
    {
      regex = [[["]?([\w\d]{1}[-\w\d]+)(/){1}([-\w\d\.]+)["]?]],
      format = "https://www.github.com/$1/$3",
    }
  }
}

Note that it is generally convenient to use literal strings ([[...]]) when declaring your hyperlink rules, so you won't have to escape backslashes. In the example above, all cases except the first use literal strings for their regular expressions.

wezterm supports the relatively new Hyperlinks in Terminal Emulators specification that allows emitting text that can be clicked and resolve to a specific URL, without the URL being part of the display text. This allows for a cleaner presentation.

The gist of it is that running the following bash one-liner:

printf '\e]8;;http://example.com\e\\This is a link\e]8;;\e\\\n'

will output the text This is a link that when clicked will open http://example.com in your browser.

Shell Integration

wezterm supports integrating with the shell through the following means:

  • OSC 7 Escape sequences to advise the terminal of the working directory
  • OSC 133 Escape sequence to define Input, Output and Prompt zones

These sequences enable some improved user experiences, such as being able to spawn new panes, tabs and windows with the same current working directory as the current pane, jumping through the scrollback to the start of an earlier command, or conveniently selecting the complete output from a command.

In order for these features to be enabled, you will need to configure your shell program to emit the escape sequences at the appropriate place.

You can find some examples for various shells in the wezterm repo.

Starting with version 20210314-114017-04b7cedd, the Fedora and Debian packages automatically activate shell integration for Bash and Zsh.

If you're on another system, more information on how these escapes work can be found below.

Learn more about OSC 133 Semantic Prompt Escapes.

OSC 7 Escape sequence to set the working directory

OSC is escape sequence jargon for Operating System Command; OSC 7 means Operating System Command number 7. This is an escape sequence that originated in the macOS Terminal application that is used to advise the terminal of the current working directory.

An application (usually your shell) can be configured to emit this escape sequence when the current directory changes, or just to emit it each time it prints the prompt.

The current working directory can be specified as a URL like this:

printf "\033]7;file://HOSTNAME/CURRENT/DIR\033\\"

When the current working directory has been set via OSC 7, spawning a new tab will use the current working directory of the current tab, so that you don't have to manually change the directory.

If you are on a modern Fedora installation, the defaults for bash and zsh source a vte.sh script that configures the shell to emit this sequence. On other systems you will likely need to configure this for yourself.

OSC 7 on Windows with cmd.exe

cmd.exe doesn't allow a lot of flexibility in configuring the prompt, but fortunately it does allow for emitting escape sequences. You can use the set_environment_variables configuration to pre-configure the prompt environment in your .wezterm.lua; this example configures the use of OSC 7 as well as including the time and current directory in the visible prompt with green and purple colors, and makes the prompt span multiple lines:

return {
  set_environment_variables = {
    prompt = "$E]7;file://localhost/$P$E\\$E[32m$T$E[0m $E[35m$P$E[36m$_$G$E[0m ",
  }
}

OSC 7 on Windows with powershell

You can configure a custom prompt in powershell by creating/editing your powershell profile and defining a function like this:

function prompt {
    $p = $executionContext.SessionState.Path.CurrentLocation
    $osc7 = ""
    if ($p.Provider.Name -eq "FileSystem") {
        $ansi_escape = [char]27
        $provider_path = $p.ProviderPath -Replace "\\", "/"
        $osc7 = "$ansi_escape]7;file://${env:COMPUTERNAME}/${provider_path}${ansi_escape}\"
    }
    "${osc7}PS $p$('>' * ($nestedPromptLevel + 1)) ";
}

Clink brings bash style line editing, completions and autosuggestions to your Windows cmd.exe experience. If you haven't installed clink to be the global default on your system, you can configure wezterm to launch clink by setting the default_prog configuration in your .wezterm.lua; for example, if you have extracted clink to c:\clink you might configure this:

local wezterm = require 'wezterm';

local default_prog;
local set_environment_variables = {}

if wezterm.target_triple == "x86_64-pc-windows-msvc" then
  -- Use OSC 7 as per the above example
  set_environment_variables["prompt"] = "$E]7;file://localhost/$P$E\\$E[32m$T$E[0m $E[35m$P$E[36m$_$G$E[0m "
  -- use a more ls-like output format for dir
  set_environment_variables["DIRCMD"] = "/d"
  -- And inject clink into the command prompt
  default_prog = {"cmd.exe", "/s", "/k", "c:/clink/clink_x64.exe", "inject", "-q"}
end

return {
  default_prog = default_prog,
  set_environment_variables = set_environment_variables,
}

Now, rather than just running cmd.exe on its own, this will cause cmd.exe to self-inject the clink line editor.

iTerm Image Protocol Support

wezterm implements support for the iTerm2 inline images protocol and provides a handy imgcat subcommand to make it easy to try out. Because the protocol is just a protocol, wezterm's imgcat also renders images in iTerm2.

To render an image inline in your terminal:

$ wezterm imgcat /path/to/image.png
inline image display

Note that the image protocol isn't fully handled by multiplexer sessions at this time.

Since: 20220319-142410-0fcdea07

WezTerm supports an extension to the protocol; passing doNotMoveCursor=1 as an argument to the File escape sequence causes wezterm to not move the cursor position after processing the image.

SSH Connections

wezterm uses an embedded ssh library to provide an integrated SSH client. The client can be used to make ad-hoc SSH connections to remote hosts by invoking the client like this:

$ wezterm ssh wez@my.server

(checkout wezterm ssh -h for more options).

When invoked in this way, wezterm may prompt you for SSH authentication and once a connection is established, open a new terminal window with your requested command, or your shell if you didn't specify one.

Creating new tabs or panes will each create a new channel in your existing session so you won't need to re-authenticate for additional tabs that you create.

SSH sessions created in this way are non-persistent and all associated tabs will die if your network connection is interrupted.

Take a look at the multiplexing section for an alternative configuration that connects to a remote wezterm instance and preserves your tabs.

The ssh_backend configuration can be used to specify which ssh library is used.

Since: 20210404-112810-b63a949d

wezterm is now able to parse ~/.ssh/config and /etc/ssh/ssh_config and respects the following options:

  • IdentityFile
  • Hostname
  • User
  • Port
  • ProxyCommand
  • Host (including wildcard matching)
  • UserKnownHostsFile
  • IdentitiesOnly
  • BindAddress

All other options are parsed but have no effect. Notably, neither Match or Include will do anything.

Since: 20210502-154244-3f7122cb:

Match is now recognized but currently supports only single-phase (final, canonical are not supported) configuration parsing for Host and LocalUser. Exec based matches are recognized but not supported.

Since: 20210814-124438-54e29167:

Include is now supported.

CLI Overrides

wezterm ssh CLI allows overriding config settings via the command line. This example shows how to specify the private key to use when connecting to some-host:

wezterm ssh -oIdentityFile=/secret/id_ed25519 some-host

Serial Ports

wezterm can also connect to serial ports as a client. This is useful for example when working with embedded devices such as Arduino, or when connecting to a serial console on a headless server.

For example, on Linux:

$ wezterm serial /dev/ttyUSB0

or on Windows:

$ wezterm serial COM0

You can also specify the baud rate:

$ wezterm serial --baud 38400 /dev/ttyUSB0

When a wezterm window is operating in serial mode it is not possible to create new tabs.

Notice: multiplexing is still a young feature and is evolving rapidly. Your feedback is welcomed!

Multiplexing

The out-of-the-box experience with wezterm allows you to multiplex local tabs and windows which will persist until they are closed. With a little extra configuration you can enable local terminal multiplexing with features similar to those in tmux or screen.

Multiplexing in wezterm is based around the concept of multiplexing domains; a domain is a distinct set of windows and tabs. When wezterm starts up it creates a default local domain to manage the windows and tabs in the UI, but it can also be configured to start or connect to additional domains.

Once connected to a domain, wezterm can attach its windows and tabs to the local native UI, providing a more natural experience for interacting with the mouse, clipboard and scrollback features of the terminal.

Key bindings allow you to spawn new tabs in the default local domain, the domain of the current tab, or a specific numbered domain.

SSH Domains

wezterm also supports regular ad-hoc ssh connections. This section of the docs refers to running a wezterm daemon on the remote end of a multiplexing session that uses ssh as a channel

A connection to a remote wezterm multiplexer made via an ssh connection is referred to as an SSH domain. A compatible version of wezterm must be installed on the remote system in order to use SSH domains. SSH domains are supported on all systems via libssh2.

To configure an SSH domain, place something like the following in your .wezterm.lua file:

return {
  ssh_domains = {
    {
      -- This name identifies the domain
      name = "my.server",
      -- The hostname or address to connect to. Will be used to match settings
      -- from your ssh config file
      remote_address = "192.168.1.1",
      -- The username to use on the remote host
      username = "wez",
    }
  }
}

See SshDomain for more information on possible settings to use with SSH domains.

To connect to the system, run:

$ wezterm connect my.server

This will launch an SSH session that connects to the specified address and may pop up authentication dialogs (using SSH keys for auth is strongly recommended!). Once connected, it will attempt to spawn the wezterm multiplexer daemon on the remote host and connect to it via a unix domain socket using a similar mechanism to that described in the Unix Domains section below.

Unix Domains

A connection to a multiplexer made via a unix socket is referred to as a unix domain. Unix domains are supported on all systems, even Windows and are a way to connect the native win32 GUI into the Windows Subsystem for Linux (WSL).

The bare minimum configuration to enable a unix domain is this, which will spawn a server if needed and then connect the gui to it automatically when wezterm is launched:

return {
  unix_domains = {
    {
      name = "unix",
    }
  },

  -- This causes `wezterm` to act as though it was started as
  -- `wezterm connect unix` by default, connecting to the unix
  -- domain on startup.
  -- If you prefer to connect manually, leave out this line.
  default_gui_startup_args = {"connect", "unix"},
}

If you prefer to connect manually, omit the default_gui_startup_args setting and then run:

$ wezterm connect unix

Note that in earlier versions of wezterm, a connect_automatically domain option was shown as the way to connect on startup. Using default_gui_startup_args is recommended instead as it works more reliably.

The possible configuration values are:

return {
  unix_domains = {
    {
      -- The name; must be unique amongst all domains
      name = "unix",

      -- The path to the socket.  If unspecified, a resonable default
      -- value will be computed.

      -- socket_path = "/some/path",

      -- If true, do not attempt to start this server if we try and fail to
      -- connect to it.

      -- no_serve_automatically = false,

      -- If true, bypass checking for secure ownership of the
      -- socket_path.  This is not recommended on a multi-user
      -- system, but is useful for example when running the
      -- server inside a WSL container but with the socket
      -- on the host NTFS volume.

      -- skip_permissions_check = false,

    }
  }
}

Since: 20220101-133340-7edc5b5a

It is now possible to specify a proxy_command that will be used in place of making a direct unix connection. When proxy_command is specified, it will be used instead of the optional socket_path.

This example shows a redundant use of nc (netcat) to connect to the unix socket path on my mac. This isn't useful on its own, but may help with the WSL 2 issue mentioned below when translated to an appropriate invocation of netcat/socat on Windows:

return {
  unix_domains = {
    {
      name = "unix",
      proxy_command = {"nc", "-U", "/Users/wez/.local/share/wezterm/sock"},
    }
  }
}

Since: 20220319-142410-0fcdea07

You may now specify the round-trip latency threshold for enabling predictive local echo using local_echo_threshold_ms. If the measured round-trip latency between the wezterm client and the server exceeds the specified threshold, the client will attempt to predict the server's response to key events and echo the result of that prediction locally without waiting, hence hiding latency to the user. This option only applies when multiplexing = "WezTerm".

return {
  unix_domains = {
    {
      name = "unix",
      local_echo_threshold_ms = 10,
    }
  },
}

Connecting into Windows Subsystem for Linux

Note: this only works with WSL 1. WSL 2 doesn't support AF_UNIX interop

Inside your WSL instance, configure .wezterm.lua with this snippet:

return {
  unix_domains = {
    {
      name = "wsl"
      -- Override the default path to match the default on the host win32
      -- filesystem.  This will allow the host to connect into the WSL
      -- container.
      socket_path = "/mnt/c/Users/USERNAME/.local/share/wezterm/sock",
      -- NTFS permissions will always be "wrong", so skip that check
      skip_permissions_check = true,
    }
  }
}

In the host win32 configuration, use this snippet:

return {
  unix_domains = {
    {
      name = "wsl",
      serve_command = {"wsl", "wezterm-mux-server", "--daemonize"},
    }
  },
  default_gui_startup_args = {"connect", "wsl"},
}

Now when you start wezterm you'll be presented with a WSL tab.

You can also omit default_gui_startup_args and use:

$ wezterm connect wsl

to manually connect into your WSL instance.

TLS Domains

A connection to a multiplexer made via a TLS encrypted TCP connection is referred to as a TLS Domain.

Starting with version 20200202-180558-2489abf9, wezterm can bootstrap a TLS session by performing an initial connection via SSH to start the wezterm multiplexer on the remote host and securely obtain a key. Once bootstrapped, the client will use a TLS protected TCP connection to communicate with the server.

Configuring the client

For each server that you wish to connect to, add a client section like this:

return {
  tls_clients = {
    {
      -- A handy alias for this session; you will use `wezterm connect server.name`
      -- to connect to it.
      name = "server.name",
      -- The host:port for the remote host
      remote_address = "server.hostname:8080",
      -- The value can be "user@host:port"; it accepts the same syntax as the
      -- `wezterm ssh` subcommand.
      bootstrap_via_ssh = "server.hostname",
    }
  }
}

See TlsDomainClient for more information on possible settings.

Configuring the server

return {
  tls_servers = {
    {
      -- The host:port combination on which the server will listen
      -- for connections
      bind_address = "server.hostname:8080"
    }
  }
}

See TlsDomainServer for more information on possible settings.

Connecting

On the client, running this will connect to the server, start up the multiplexer and obtain a certificate for the TLS connection. A connection window will show the progress and may prompt you for SSH authentication. Once the connection has been initiated, wezterm will automatically reconnect using the certificate it obtained during bootstrapping if your connection was interrupted and resume your remote terminal session

$ wezterm connect server.name

Please note that this is a "living document" and may lag or lead the state of the current stable release in a number of areas--as you might imagine, precisely documenting escape codes and their behaviors and cross-checking with the various technical documents is laborious and tedious and I only have so much spare time!

If you notice that something is inaccurate or missing, please do file an issue so that it can be resolved!

Output/Escape Sequences

WezTerm considers the output from the terminal to be a UTF-8 encoded stream of codepoints. No other encoding is supported. As described below, some C1 control codes have both 7-bit ASCII compatible as well as 8-bit representations. As ASCII is a compatible subset of UTF-8, the 7-bit representations are preferred and processed without any special consideration.

The 8-bit values are recognized, but only if the 8-bit value is treated as a unicode code point and encoded via a UTF-8 multi-byte sequence.

Printable Codepoints

Codepoints with value 0x20 and higher are considered to be printable and are applied to the terminal display using the following rules:

  • Codepoints are buffered until a C0, C1 or other escape/control sequence is encountered, which triggers a flush and processing continues with the next step.
  • The buffered codepoint sequence is split into unicode graphemes, which means that combining sequences and emoji are decoded. Processing continues for below for each individually recognized grapheme.
  • If DEC line drawing mode is active, graphemes j-n, q, t-x are translated to equivalent line drawing graphemes and processing continues.
  • If prior output/actions require it, the cursor position may be moved to a new line and the terminal display may be scrolled to make accomodate it.
  • An appropriate number of cells, starting at the current cursor position, are allocated based on the column width of the current grapheme and are assigned to the grapheme. The current current graphics rendition state (such as colors and other presentation attributes) is also applied to those cells. If insert mode is active, those cells will be inserted at the current cursor position, otherwise they will overwrite cells at the current cursor position.
  • The cursor position will be updated based on the column width of the grapheme.

After the graphemes are applied to the terminal display, the rendering portion of WezTerm will attempt to apply your font shaping configuration based on runs of graphemes with matching graphic attributes to determine which glyphs should be rendered from your fonts; it is at this stage that emoji and ligatures are resolved.

C0 Control Codes

Codepoints in the range 0x00-0x1F are considered to be C0 control codes. C0 controls will flush any buffered printable codepoints before triggering the action described below.

SeqHexNameDescriptionAction
^@0x00NULNullIgnored
^A0x01SOHStart of HeadingIgnored
^B0x02STXStart of TextIgnored
^C0x03ETXEnd of TextIgnored
^D0x04EOTEnd of TransmissionIgnored
^E0x05ENQEnquiryIgnored
^F0x06ACKAcknowledgeIgnored
^G0x07BELBellLogs Ding! (this is the bell) to stderr of the WezTerm process. See #3
^H0x08BSBackspaceMove cursor left by 1, constrained by the left margin. If Reverse Wraparound and dec auto wrap modes are enabled, moving left of the left margin will jump the cursor to the right margin, jumping to bottom right margin if it was at the top left.
^I0x09HTHorizontal TabMove cursor right to the next tab stop
^J0x0ALFLine FeedIf cursor is at the bottom margin, scroll the region up, otherwise move cursor down 1 row
^K0x0BVTVertical TabTreated as Line Feed
^L0x0CFFForm FeedTreated as Line Feed
^M0x0DCRCarriage ReturnIf cursor is left of leftmost margin, move to column 0. Otherwise move to left margin
^N0x0ESOShift OutIgnored
^O0x0FSIShift InIgnored
^P0x10DLEData Link EscapeIgnored
^Q0x11DC1Device Control OneIgnored
^R0x12DC2Device Control TwoIgnored
^S0x13DC3Device Control ThreeIgnored
^T0x14DC4Device Control FourIgnored
^U0x15NAKNegative AcknowledgeIgnored
^V0x16SYNSynchronous IdleIgnored
^W0x17ETBEnd Transmission BlockIgnored
^X0x18CANCancelIgnored
^Y0x19EMEnd of MediumIgnored
^Z0x1ASUBSubstituteIgnored
^[0x1BESCEscapeIntroduces various escape sequences described below
^\0x1CFSFile SeparatorIgnored
^]0x1DGSGroup SeparatorIgnored
^^0x1ERSRecord SeparatorIgnored
^_0x1FUSUnit SeparatorIgnored

C1 Control Codes

As mentioned above, WezTerm only supports UTF-8 encoding. C1 control codes have an 8-bit representation as well as a multi-codepoint 7-bit escape sequence.

The 8-bit representation is recognized if the 8-bit value is treated as a unicode code point and encoded as a multi-byte UTF-8 sequence. Sending the 8-bit binary value will not be recognized as intended, as those bitsequences are passing through a UTF-8 decoder.

The table below lists the 7-bit C1 sequence (which is preferred) as well as the codepoint value, along with the corresponding meaning.

As with C0 control codes, C1 controls will flush any buffered printable codepoints before triggering the action described below.

SeqCodepointNameDescriptionAction
ESC D0x84INDIndexMoves the cursor down one line in the same column. If the cursor is at the bottom margin, the page scrolls up
ESC E0x85NELNext LineMoves the cursor to the left margin on the next line. If the cursor is at the bottom margin, scroll the page up
ESC H0x88HTSHorizontal Tab SetSets a horizontal tab stop at the column where the cursor is
ESC M0x8DRIReverse IndexMove the cursor up one line. If the cursor is at the top margin, scroll the region down
ESC P0x90DCSDevice Control StringDiscussed below
ESC [0x9BCSIControl Sequence IntroducerDiscussed below
ESC \0x9CSTString TerminatorNo direct effect; ST is used to delimit the end of OSC style escape sequences

Other Escape Sequences

As these sequences start with an ESC, which is a C0 control, these will flush any buffered printable codepoints before triggering the associated action.

SeqNameDescriptionAction
ESC cRISReset to Initial StateResets tab stops, margins, modes, graphic rendition, palette, activates primary screen, erases the display and moves cursor to home position
ESC 7DECSCSave Cursor PositionRecords cursor position
ESC 8DECRCRestored Saved Cursor PositionMoves cursor to location it had when DECSC was used
ESC =DECPAMApplication KeypadEnable Application Keypad Mode
ESC >DECPNMNormal KeypadSet Normal Keypad Mode
ESC (0DEC Line Drawing character setTranslate characters j-x to line drawing glyphs
ESC (BUS ASCII character setDisables DEC Line Drawing character translation
ESC #8DECALNScreen Alignment DisplayFills the display with E characters for diagnostic/test purposes (for vttest)

CSI - Control Sequence Introducer Sequences

CSI sequences begin with the C1 CSI sequence, which is either the 7-bit ESC [ sequence or the codepoint 0x9B.

WezTerm classifies these sequences into a number of functional families which are broken out below.

Graphic Rendition (SGR)

SGR sequences are of the form CSI DIGITS [; DIGITS ]+ m. That is, any number of semicolon separated numbers, terminated by the m codepoint. There are a handful of slightly more modern sequences that use colon : codepoints to encode additional context.

The digits map to one of the codes in the table below, which manipulate the presentation attributes of subsequently printed characters.

It is valid to omit the code number; for example CSI m is equivalent to CSI 0 m which resets the presentation attributes.

CodeDescriptionAction
0ResetReset to default foreground/background colors, reset all presentation attributes, clear any explicit hyperlinks
1IntensityBoldSet the intensity level to Bold. This causes subsequent text to be rendered in a bold font variant and, if the foreground color is set to a palette index in the 0-7 range, effectively shifts it to the brighter value in the 8-15 range
2IntensityDimSet the intensity level to Dim or Half-Bright. This causes text to be rendered in a lighter weight font variant
3ItalicOnSets the italic attribute on the text, causing an italic font variant to be selected
4UnderlineOnText will have a single underline
4:0UnderlineOffText will have no underline
4:1UnderlineOnText will have a single underline
4:2UnderlineDoubleText will be rendered with double underline
4:3UnderlineCurlyText will be rendered with a curly underline
4:4UnderlineDottedText will be rendered with a dotted underline
4:5UnderlineDashedText will be rendered with a dashed underline
5BlinkOnIndicates that the text should blink <150 times per minute
6RapidBlinkOnIndicates that the text should blink >150 times per minute
7InverseOnCauses the foreground and background colors to be swapped
8InvisibleOnMarks text as invisible.
9StrikeThroughOnText will be rendered with a single line struck through the middle
21UnderlineDoubleText will be rendered with double underline
22NormalIntensityCancels the effect of IntensityBold and IntensityDim, returning the text to normal intensity
23ItalicOffCancels the effect of ItalicOn
24UnderlineOffText will have no underline
25BlinkOffCancels the effect of BlinkOn and RapidBlinkOn
27InverseOffCancels the effect of InverseOn
28InvisibleOffcancels the effect of InvisibleOn
29StrikeThroughOffCancels the effect of StrikeThroughOn
30ForegroundBlackSets the foreground color to ANSI Black, which is palette index 0
31ForegroundRedSets the foreground color to ANSI Red, which is palette index 1
32ForegroundGreenSets the foreground color to ANSI Green, which is palette index 2
33ForegroundYellowSets the foreground color to ANSI Yellow, which is palette index 3
34ForegroundBlueSets the foreground color to ANSI Blue, which is palette index 4
35ForegroundMagentaSets the foreground color to ANSI Magenta, which is palette index 5
36ForegroundCyanSets the foreground color to ANSI Cyan, which is palette index 6
37ForegroundWhiteSets the foreground color to ANSI White, which is palette index 7
39ForegroundDefaultSets the foreground color to the user's configured default text color
40BackgroundBlackSets the background color to ANSI Black, which is palette index 0
41BackgroundRedSets the background color to ANSI Red, which is palette index 1
42BackgroundGreenSets the background color to ANSI Green, which is palette index 2
43BackgroundYellowSets the background color to ANSI Yellow, which is palette index 3
44BackgroundBlueSets the background color to ANSI Blue, which is palette index 4
45BackgroundMagentaSets the background color to ANSI Magenta, which is palette index 5
46BackgroundCyanSets the background color to ANSI Cyan, which is palette index 6
47BackgroundWhiteSets the background color to ANSI White, which is palette index 7
49BackgroundDefaultSets the background color to the user's configured default background color
53OverlineOnRenders text with a single overline/overbar
55OverlineOffCancels OverlineOn
59UnderlineColorDefaultResets the underline color to default, which is to match the foreground color
90ForegroundBrightBlackSets the foreground color to Bright Black, which is palette index 8
91ForegroundBrightRedSets the foreground color to Bright Red, which is palette index 9
92ForegroundBrightGreenSets the foreground color to Bright Green, which is palette index 10
93ForegroundBrightYellowSets the foreground color to Bright Yellow, which is palette index 11
94ForegroundBrightBlueSets the foreground color to Bright Blue, which is palette index 12
95ForegroundBrightMagentaSets the foreground color to Bright Magenta, which is palette index 13
96ForegroundBrightCyanSets the foreground color to Bright Cyan, which is palette index 14
97ForegroundBrightWhiteSets the foreground color to Bright White, which is palette index 15
100BackgroundBrightBlackSets the background color to Bright Black, which is palette index 8
101BackgroundBrightRedSets the background color to Bright Red, which is palette index 9
102BackgroundBrightGreenSets the background color to Bright Green, which is palette index 10
103BackgroundBrightYellowSets the background color to Bright Yellow, which is palette index 11
104BackgroundBrightBlueSets the background color to Bright Blue, which is palette index 12
105BackgroundBrightMagentaSets the background color to Bright Magenta, which is palette index 13
106BackgroundBrightCyanSets the background color to Bright Cyan, which is palette index 14
107BackgroundBrightWhiteSets the background color to Bright White, which is palette index 15

There are a handful of additional SGR codes that allow setting extended colors; unlike the codes above, which are activated by a single numeric parameter out of SGR sequence, these the extended color codes require multiple parameters. The canonical representation of these sequences is to have the multiple parameters be separated by colons (:), but for compatibility reasons WezTerm also accepts an ambiguous semicolon (;) separated variation. The colon form is unambiguous and should be preferred; the semicolon form should not be used by new applications and is not documented here in the interest of avoiding accidental new implementations.

This sequence will set the foreground color to the specified palette INDEX, which can be a decimal number in the range 0-255.

CSI 38 : 5 : INDEX m

This sequence will set the background color to the specified palette INDEX, which can be a decimal number in the range 0-255.

CSI 48 : 5 : INDEX m

This sequence will set the underline color to the specified palette INDEX, which can be a decimal number in the range 0-255.

CSI 58 : 5 : INDEX m

This sequence will set the foreground color to an arbitrary color in RGB colorspace. The R, G and B symbols below are decimal numbers in the range 0-255. Note that after the 2 parameter two colons are present; its really an omitted colorspace ID parameter but that nature of that parameter is not specified in the accompanying ITU T.416 specification and is ignored by WezTerm and most (all?) other terminal emulators:

CSI 38 : 2 : : R : G : B m

(Since 20210814-124438-54e29167) For the sake of compatibility with some other terminal emulators this additional form is also supported where the colorspace ID argument is not specified:

CSI 38 : 2 : R : G : B m

This sequence will set the background color to an arbitrary color in RGB colorspace. The R, G and B symbols below are decimal numbers in the range 0-255:

CSI 48 : 2 : : R : G : B m

(Since 20210814-124438-54e29167) For the sake of compatibility with some other terminal emulators this additional form is also supported where the colorspace ID argument is not specified:

CSI 48 : 2 : R : G : B m

This sequence will set the underline color to an arbitrary color in RGB colorspace. The R, G and B symbols below are decimal numbers in the range 0-255:

CSI 58 : 2 : : R : G : B m

(Since 20210814-124438-54e29167) For the sake of compatibility with some other terminal emulators this additional form is also supported where the colorspace ID argument is not specified:

CSI 58 : 2 : R : G : B m

Cursor Movement

Editing Functions

Mode Functions

Since: 20210814-124438-54e29167

WezTerm supports Synchronized Rendering. DECSET 2026 is set to batch (hold) rendering until DECSET 2026 is reset to flush the queued screen data.

Device Functions

Window Functions

DCS - Device Control String

The C1 DCS escape places the terminal parser into a device control mode until the C1 ST is encountered.

In the table below, DCS can be either the 7-bit representation (ESC P) or the 8-bit codepoint (0x90).

SeqNameDescription
DCS $ q " p STDECRQSS for DECSCLRequest Conformance Level; Reports the conformance level
DCS $ q r STDECRQSS for DECSTBMRequest top and bottom margin report; Reports the margins
DCS $ q s STDECRQSS for DECSLRMRequest left and right margin report; Reports the margins
DCS [PARAMS] q [DATA] STSixel Graphic DataDecodes Sixel graphic data and apply the image to the terminal model. Support is preliminary and incomplete; see this issue for status.
DCS 1000 qtmux control modeBridges tmux into the WezTerm multiplexer. Currently incomplete, see this issue for status.

Operating System Command Sequences

Operating System Command (OSC) sequences are introduced via ESC ] followed by a numeric code and typically have parameters delimited by ;. OSC sequences are canonically delimited by the ST (String Terminator) sequence, but WezTerm also accepts delimiting them with the BEL control.

The table below is keyed by the OSC code.

OSCDescriptionActionExample
0Set Icon Name and Window TitleClears Icon Name, sets Window Title.\x1b]0;title\x1b\\
1Set Icon NameSets Icon Name, which is used as the Tab title when it is non-empty\x1b]1;tab-title\x1b\\
2Set Window TitleSet Window Title\x1b]2;window-title\x1b\\
3Set X11 Window PropertyIgnored
4Change/Query Color NumberSet or query color palette entries 0-255.query color number 1: \x1b]4;1;?\x1b\\
Set color number 2: \x1b]4;2;#cccccc\x1b\\
5Change/Query Special Color NumberIgnored
6iTerm2 Change Title Tab ColorIgnored
7Set Current Working DirectorySee Shell Integration
8Set HyperlinkSee Explicit Hyperlinks
9iTerm2 Show System NotificationShow a "toast" notificationprintf "\e]9;%s\e\\" "hello there"
10Set Default Text Foreground Color\x1b]10;#ff0000\x1b\\
11Set Default Text Background Color\x1b]11;#0000ff\x1b\\
12Set Text Cursor Color\x1b]12;#00ff00\x1b\\
52Manipulate clipboardRequests to query the clipboard are ignored. Allows setting or clearing the clipboard
104ResetColorsReset color palette entries to their default values
133FinalTerm semantic escapesInforms the terminal about Input, Output and Prompt regions on the displaySee Shell Integration
777Call rxvt extensionOnly the notify extension is supported; it shows a "toast" notificationprintf "\e]777;notify;%s;%s\e\\" "title" "body"
1337iTerm2 File Upload ProtocolAllows displaying images inlineSee iTerm Image Protocol
LSet Icon Name (Sun)Same as OSC 1\x1b]Ltab-title\x1b\\
lSet Window Title (Sun)Same as OSC 2\x1b]lwindow-title\x1b\\

Additional Resources

Frequently Asked Questions

Unicode glyphs render as underscores in my tmux!

This is likely an issue with LANG and locale. tmux will substitute unicode glyphs with underscores if it believes that your environment doesn't support UTF-8.

If you're running on macOS, upgrade to 20200620-160318-e00b076c or newer and WezTerm will automatically set LANG appropriately.

Note that if you change your environment you will likely need to kill and restart your tmux server before it will take effect.

You probably should also review this relevant section from the TMUX FAQ, and read on for more information about LANG and locale below.

Some glyphs look messed up, why is that?

There's a surprisingly amount of work that goes into rendering text, and if you're connected to a remote host, it may span both systems. Read on for some gory details!

LANG and locale

Terminals operate on byte streams and don't necessarily know anything about the encoding of the text that you're sending through. The unix model for this is that the end user (that's you!) will instruct the applications that you're running to use a particular locale to interpret the byte stream.

It is common for these environment variables to not be set, or to be set to invalid values by default!

If you're running on macOS, upgrade to 20200620-160318-e00b076c or newer and WezTerm will automatically set LANG appropriately.

You need to select a unicode locale for best results; for example:

export LANG=en_US.UTF-8
# You don't strictly need this collation, but most technical people
# probably want C collation for sane results
export LC_COLLATE=C

If you have other LC_XXX values in your environment, either remove them from your environment (if applicable) or adjust them to use a UTF-8 locale.

You can run locale -a to list the available locales on your system.

You need to make sure that this setting applies both locally and on systems that you log in to via ssh or the mux connection protocol.

If you're seeing multiple garbage characters in your terminal in place of what should be a single glyph then you most likely have a problem with your locale environment variables.

Pasting or entering unicode in zsh looks broken

By default, zsh's line editor doesn't support combining character sequences. Make sure that you have LANG and local configured correctly as shown above, and then tell zsh to enable combining characters:

setopt COMBINING_CHARS

You'll want to put that into your zshrc so that it is always enabled.

See this stackexchange question for more information.

Fonts and fallback

If you have configured the use of a font that contains only latin characters and then try to display a glyph that isn't present in that font (perhaps an emoji, or perhaps some kanji) then wezterm will try to locate a fallback font that does contain that glyph.

Wezterm uses freetype and harfbuzz to perform font shaping and rendering in a cross platform way, and as a consequence, doesn't have access to the system font fallback selection. Instead it has a short list of fallback fonts that are likely to be present on the system and tries to use those.

If you're seeing the unicode replacement character, a question mark or in the worst cases spaces where a glyph should be, then you have an issue with font fallback.

You can resolve this by explicitly adding fallback font(s) the have the glyphs that you need in your .wezterm.lua:

local wezterm = require 'wezterm';

return {
  font = wezterm.font_with_fallback({
    "My Preferred Font",
    -- This font has a broader selection of Chinese glyphs than my preferred font
    "DengXian"
  })
}

See also Troubleshooting Fonts.

Some (but not all) Emoji don't render properly

To some extent this issue can manifest in a similar way to the LANG and locale issue. There are different versions of the Emoji specifications and the level of support in different applications can vary. Emoji can be comprised from a sequence of codepoints and some combine in interesting ways such as a foot and a skin tone. Applications that don't support this correctly may end up emitting incorrect output. For example, pasting some emoji into the zsh REPL confuses its input parser and results in broken emoji output. However, if you were to emit that same emoji from a script, wezterm would render it correctly.

If you're seeing this sort of issue, then you may be able to upgrade the affected application on that system to see if a newer version resolves that issue.

Multiple characters being rendered/combined as one character?

wezterm supports advanced font shaping, which, amongst other things, allows for multiple characters/glyphs to be combined into one ligature. You may be experiencing this if, e.g., != becomes rendered as ≠ in wezterm.

If you are seeing this kind of "font combining" and wish to disable it, then this is documented in advanced font shaping options page.

How to troubleshoot keys that don't work or produce weird characters!?

There are a number of layers in input processing that can influence this.

The first thing to note is that wezterm will always and only output UTF-8 encoded text. Your LANG and locale related environment must be set to reflect this; there is more information on that above.

If the key in question is produced in combination with Alt/Option then this section of the docs describes how wezterm processes Alt/Option, as well as options that influence that behavior.

The next thing to verify is what byte sequences are being produced when you press keys. I generally suggest running xxd, pressing the relevant key, then enter, then CTRL-D. This should show a hex dump of the the byte sequence. This step helps to isolate the input from input processing layers in other applications.

Interactive Unix programs generally depend upon the TERM environment variable being set appropriately. wezterm sets this to xterm-256color by default, because wezterm aims to be compatible with with the settings defined by that terminfo entry. Setting TERM to something else can change the byte sequences that interactive applications expect to see for some keys, effectively disabling those keys.

On top of this, a number of programs use libraries such as GNU readline to perform input processing. That means that settings in your ~/.inputrc may changing the behavior of bash. Verify any settings in there that might influence how input is resolved and see the question below about convert-meta!

If you are using tmux be aware that it introduces its own set of input/output processing layers that are also sensitive to LANG, TERM and locale and how they are set in the environment of the tmux server when it was spawned, the tmux client and inside the processes spawned by tmux. It is generally best to troubleshoot input/output weirdness independent of tmux first to minimize the number of variables!

If after experimenting with your environment and related settings you believe that wezterm isn't sending the correct input then please open an issue and include the xxd hexdump, and output from env and any other pertinent information about what you're trying and why it doesn't match your expectations.

I have set convert-meta on in my ~/.inputrc and latin characters are broken!?

That setting causes Readline to re-encode latin-1 and other characters as a different sequence (eg: £ will have the high bit stripped and turn it into #).

You should consider disabling that setting when working with a UTF-8 environment.

How do I enable undercurl (curly underlines)?

Starting in version 20210314-114017-04b7cedd, WezTerm has support for colored and curly underlines.

The relevant escape sequences are:

 CSI 24 m   -> No underline
 CSI 4 m    -> Single underline
 CSI 4:0 m  -> No underline
 CSI 4:1 m  -> Single underline
 CSI 4:2 m  -> Double underline
 CSI 4:3 m  -> Curly underline
 CSI 4:4 m  -> Dotted underline
 CSI 4:5 m  -> Dashed underline

 CSI 58:2::R:G:B m   -> set underline color to specified true color RGB
 CSI 58:5:I m        -> set underline color to palette index I (0-255)
 CSI 59              -> restore underline color to default

You can try these out in your shell; this example will print the various underline styles with a red underline:

$ printf "\x1b[58:2::255:0:0m\x1b[4:1msingle\x1b[4:2mdouble\x1b[4:3mcurly\x1b[4:4mdotted\x1b[4:5mdashed\x1b[0m\n"

To use this in vim, add something like the following to your .vimrc:

let &t_Cs = "\e[4:3m"
let &t_Ce = "\e[4:0m"
hi SpellBad   guisp=red gui=undercurl guifg=NONE guibg=NONE \
     ctermfg=NONE ctermbg=NONE term=underline cterm=undercurl ctermul=red
hi SpellCap   guisp=yellow gui=undercurl guifg=NONE guibg=NONE \
     ctermfg=NONE ctermbg=NONE term=underline cterm=undercurl ctermul=yellow

If you are a neovim user then you will need to install a terminfo file that tells neovim about this support.

You may wish to try these steps to install a copy of a wezterm terminfo file; this will compile a copy of the terminfo and install it into your ~/.terminfo directory:

tempfile=$(mktemp) \
  && curl -o $tempfile https://raw.githubusercontent.com/wez/wezterm/master/termwiz/data/wezterm.terminfo \
  && tic -x -o ~/.terminfo $tempfile \
  && rm $tempfile

With that in place, you can then start neovim like this, and it should enable undercurl:

env TERM=wezterm nvim

Note: on Windows, the ConPTY layer strips out the curly underline escape sequences. If you're missing this feature in your WSL instance, you will need to use either wezterm ssh or multiplexing to bypass ConPTY.

I use Powershell for my shell, and I have problems with cursor keys in other apps

Powershell has an open issue where it enables the DECCKM mode of the terminal and does not restore it prior to launching external commands.

The consequence of enabling DECCKM is that cursor keys switch from being reported as eg: ESC [ A (for UpArrow) to ESC O A.

Some applications don't know how to deal with this and as a consequence, won't see the cursor keys.

This is not an issue in WezTerm; the same issue manifests in any terminal emulator that runs powershell.

I use X11 or Wayland and my mouse cursor theme doesn't seem to work

What is this old school X11 mouse pointer thing?!

Resolving the mouse cursor style in these environments is surprisingly complicated:

  • Determine the XCursor theme:

    1. is xcursor_theme set in the wezterm configuration?
    2. X11: Does the root window publish the XCursor.theme resource? (You can manually run xprop -root | grep RESOURCE_MANAGER | perl -pe 's/\\n/\n/g' | grep -i cursor to check for yourself)
    3. Wayland: from the XCURSOR_THEME environment variable
    4. Otherwise, assume default

  • Determine the icon path:

    1. Is XCURSOR_PATH set in the environment? If so, use that.
    2. Construct a default path derived from some hard coded locations and the contents of the XDG_DATA_HOME and XDG_DATA_DIRS environment variables.

When a cursor is needed, the XCursor theme is tried first:

  1. X11: the X Server must support the RENDER extension, version 0.5 or later, and support ARGB32
  2. A set of candidate cursor names is produced for the desired cursor
  3. For each location in the icon path, the XCursor theme and the candidate name are combined to produce a candidate file name
  4. If the file exists, then wezterm will try to load it

If no XCursor was found, wezterm will fall back to using the default X11 cursor font provided by the system.

Since: 20220624-141144-bd1b7c5d

When troubleshooting xcursor issues, you can enable tracing by turning on the log level shown below, and then moving the mouse over the wezterm window:

; WEZTERM_LOG=window::os::x11::cursor=trace wezterm
07:34:40.001  TRACE  window::os::x11::cursor > Constructing default icon path because $XCURSOR_PATH is not set
07:34:40.001  TRACE  window::os::x11::cursor > Using ~/.local/share because $XDG_DATA_HOME is not set
07:34:40.001  TRACE  window::os::x11::cursor > Using $XDG_DATA_DIRS location "/home/wez/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share/:/usr/share/"
07:34:40.001  TRACE  window::os::x11::cursor > icon_path is ["/home/wez/.local/share/icons", "/home/wez/.icons", "/home/wez/.local/share/flatpak/exports/share/icons", "/var/lib/flatpak/exports/share/icons", "/usr/local/share/icons", "/usr/share/icons", "/usr/share/pixmaps", "/home/wez/.cursors", "/usr/share/cursors/xorg-x11", "/usr/X11R6/lib/X11/icons"]
07:34:41.838  TRACE  window::os::x11::cursor > candidate for Some(Text) is "/home/wez/.local/share/icons/Adwaita/cursors/xterm"
07:34:41.838  TRACE  window::os::x11::cursor > candidate for Some(Text) is "/home/wez/.icons/Adwaita/cursors/xterm"
07:34:41.839  TRACE  window::os::x11::cursor > candidate for Some(Text) is "/home/wez/.local/share/flatpak/exports/share/icons/Adwaita/cursors/xterm"
07:34:41.839  TRACE  window::os::x11::cursor > candidate for Some(Text) is "/var/lib/flatpak/exports/share/icons/Adwaita/cursors/xterm"
07:34:41.839  TRACE  window::os::x11::cursor > candidate for Some(Text) is "/usr/local/share/icons/Adwaita/cursors/xterm"
07:34:41.839  TRACE  window::os::x11::cursor > candidate for Some(Text) is "/usr/share/icons/Adwaita/cursors/xterm"
07:34:41.839  TRACE  window::os::x11::cursor > Some(Text) resolved to "/usr/share/icons/Adwaita/cursors/xterm"
07:34:42.915  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/home/wez/.local/share/icons/Adwaita/cursors/top_left_arrow"
07:34:42.915  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/home/wez/.local/share/icons/Adwaita/cursors/left_ptr"
07:34:42.915  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/home/wez/.icons/Adwaita/cursors/top_left_arrow"
07:34:42.915  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/home/wez/.icons/Adwaita/cursors/left_ptr"
07:34:42.915  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/home/wez/.local/share/flatpak/exports/share/icons/Adwaita/cursors/top_left_arrow"
07:34:42.915  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/home/wez/.local/share/flatpak/exports/share/icons/Adwaita/cursors/left_ptr"
07:34:42.916  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/var/lib/flatpak/exports/share/icons/Adwaita/cursors/top_left_arrow"
07:34:42.916  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/var/lib/flatpak/exports/share/icons/Adwaita/cursors/left_ptr"
07:34:42.916  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/usr/local/share/icons/Adwaita/cursors/top_left_arrow"
07:34:42.916  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/usr/local/share/icons/Adwaita/cursors/left_ptr"
07:34:42.916  TRACE  window::os::x11::cursor > candidate for Some(Arrow) is "/usr/share/icons/Adwaita/cursors/top_left_arrow"
07:34:42.917  TRACE  window::os::x11::cursor > Some(Arrow) resolved to "/usr/share/icons/Adwaita/cursors/top_left_arrow"

Getting Help

This is a spare time project, so please bear with me. There are a couple of channels for support:

The GitHub Discussions and Element/Gitter rooms are better suited to questions than it is to bug reports, but don't be afraid to use whichever you are most comfortable using and we'll work it out.

Contributing

Thanks for considering donating your time and energy! I value any contribution, even if it is just to highlight a typo.

If you're thinking of helping out, then the following resources may be helpful:

I like to think that I have an open mind and I try to be open to ideas, suggestions and other improvements. We can discuss in realtime in the Matrix/Gitter room or we can do it asynchronously via the issue tracker on GitHub.

You needn't be a crack Rust coder; if you spot a typo or feel like you can see a way to improve these docs or have a talent for design and would like to help make WezTerm look cooler, I'd also welcome your contribution!

Command Line

This section documents the wezterm command line.

Note that wezterm --help or wezterm SUBCOMMAND --help will show the precise set of options that are applicable to your installed version of wezterm.

wezterm is deployed with two major executables:

  • wezterm (or wezterm.exe on Windows) - for interacting with wezterm from the terminal
  • wezterm-gui (or wezterm-gui.exe on Windows) - for spawning wezterm from a desktop environment

You will typically use wezterm when scripting wezterm; it knows when to delegate to to wezterm-gui under the covers.

If you are are setting up a launcher for wezterm to run in the Windows GUI environment then you will want to explicitly target wezterm-gui so that Windows itself doesn't pop up a console host for its logging output.

wezterm cli

The cli subcommand interacts with a running wezterm GUI or multiplexer instance, and can be used to spawn programs and manipulate tabs and panes.

Targeting the correct instance

There may be multiple GUI processes running in addition to a multiplexer server. wezterm uses the following logic to decide which one it should connect to.

  • If the --prefer-mux flag is passed, then the wezterm.lua config file is consulted to determine the first unix domain defined by the config.
  • If the $WEZTERM_UNIX_SOCKET environment variable is set, use that location to identify the running instance
  • Try to locate a running GUI instance. The --class argument specifies an optional window class that can be used to select the appropriate GUI window if that GUI window was also spawned using --class to override the default.

Targeting Panes

Various subcommands target panes via a (typically optional) --pane-id argument.

The following rules are used to determine a pane if --pane-id is not specified:

  • If the $WEZTERM_PANE environment variable is set, it will be used
  • The list of clients is retrieved and sorted by the most recently interacted session. The focused pane id from that session is used

See also: wezterm cli list

Available Subcommands

wezterm cli list-clients

Run wezterm cli list-clients --help to see more help

Lists the set of connected clients and some additional information about them:

$ wezterm cli list-clients
USER HOST     PID CONNECTED     IDLE       WORKSPACE FOCUS
wez  foo  1098536 166.03140978s 31.40978ms default       0

The meanings of the fields are:

  • USER - the username associated with the session
  • HOST - the hostname associated with the session
  • PID - the process id of the client session
  • CONNECTED - shows how long the connection has been established
  • IDLE - shows how long it has been since input was received from that client
  • WORKSPACE - shows the active workspace for that session
  • FOCUS - shows the pane id of the pane that has focus in that session

Since: 20220624-141144-bd1b7c5d

You may request JSON output:

$ wezterm cli list-clients --format json
[
  {
    "username": "wez",
    "hostname": "foo",
    "pid": 1098536,
    "connection_elapsed": {
      "secs": 226,
      "nanos": 502667166
    },
    "idle_time": {
      "secs": 0,
      "nanos": 502667166
    },
    "workspace": "default",
    "focused_pane_id": 0
  }
]

wezterm cli list

Run wezterm cli list --help to see more help

Lists the set of windows, tabs and panes that are being managed.

The default output is tabular:

$ wezterm cli list
WINID TABID PANEID WORKSPACE SIZE  TITLE                          CWD
    0     0      0 default   80x24 wezterm cli list  -- wez@foo:~ file://foo/home/wez/

Each row describes a pane. The meaning of the fields are:

  • WINID - the window id of the window that contains the pane
  • TABID - the tab id of the tab that contains the pane
  • PANEID - the pane id
  • WORKSPACE - the workspace that the pane is associated with
  • SIZE - the dimensions of the pane, measured in terminal cell columns x rows
  • TITLE - the pane title
  • CWD - the current working directory associated with the pane

Since: 20220624-141144-bd1b7c5d

You may request JSON output:

$ wezterm cli list --format json
[
  {
    "window_id": 0,
    "tab_id": 0,
    "pane_id": 0,
    "workspace": "default",
    "size": {
      "rows": 24,
      "cols": 80
    },
    "title": "wezterm cli list --format json -- wez@foo:~",
    "cwd": "file://foo/home/wez/"
  }
]

wezterm cli move-pane-to-new-tab

Since: 20220624-141144-bd1b7c5d

Run wezterm cli move-pane-to-new-tab --help to see more help

Allows moving a pane into a new tab either in the same window or in a new window.

The default action is to move the current pane into a new tab in the same window. The following arguments modify the behavior:

  • --new-window - Create tab in a new window
  • --window-id WINDOW_ID - Create the new tab in the specified window id rather than the current window.
  • --workspace WORKSPACE - When using --new-window, use WORKSPACE as the name of the workspace for the newly created window rather than the default workspace name "default".
  • --pane-id - Specifies which pane to move. See also Targeting Panes.

wezterm cli send-text

Run wezterm cli send-text --help to see more help

Send text to a pane as though it were pasted. If bracketed paste mode is enabled in the pane, then the text will be sent as a bracketed paste.

For example:

$ wezterm cli send-text "hello there"

will cause hello there to be sent to the input in the current pane.

You can also pipe text in via stdin:

$ echo hello there | wezterm cli send-text

The following arguments modify the behavior:

  • --no-paste - Send the text directly, rather than as a bracketed paste. (Since: 20220624-141144-bd1b7c5d)
  • --pane-id - Specifies which pane to send the text to. See also Targeting Panes.

wezterm cli spawn

Run wezterm cli spawn --help to see more help

Spawn a command into a new tab or window. Outputs the pane-id for the newly created pane on success.

When run with no arguments, it will spawn a new tab running the default program; this example spawns a new pane with id 1 running that default program (most likely: your shell):

$ wezterm cli spawn
1

You may spawn an alternative program by passing the argument list; it is recommended that you use -- to denote the end of the arguments being passed to wezterm cli spawn so that any parameters you may wish to pass to the program are not confused with parameters to wezterm cli spawn. This example launches top in a new tab:

$ wezterm cli spawn -- top
2

This example explicitly runs bash as a login shell:

$ wezterm cli spawn -- bash -l
3

The following options affect the behavior:

  • --cwd CWD - Specifies the current working directory that should be set for the spawned program
  • --domain-name DOMAIN_NAME - Spawn into the named multiplexer domain. The default is to spawn into the domain of the current pane.
  • --new-window - Spawns the tab into a window of its own.
  • --workspace WORKSPACE - when using --new-window, set the workspace name rather than using the default name of "default".
  • --window-id WINDOW_ID - Spawn the tab into the specified window, rather than using the current window

wezterm cli split-pane

Run wezterm cli split-pane --help to see more help

Split the current pane. Outputs the pane-id for the newly created pane on success.

This command will create a split in the current pane and spawn a command into it. This splits the pane and creates a new one at the bottom running the default command:

$ wezterm cli split-pane
2

You may spawn an alternative program by passing the argument list; it is recommended that you use -- to denote the end of the arguments being passed to wezterm cli split-pane so that any parameters you may wish to pass to the program are not confused with parameters to wezterm cli split-pane. This example launches bash as a login shell in a new pane at the bottom:

$ wezterm cli split-pane -- bash -l
3

This example creates a split to the left, occupying 30% of the available space:

$ wezterm cli split-pane --left --percent 30
4

The following options affect the behavior:

  • --cwd CWD - Specify the current working directory for the initially spawned program.
  • --horizontal - Equivalent to --right. If neither this nor any other direction is specified, the default is equivalent to --bottom.
  • --pane-id - Specifies the pane that should be split. See also Targeting Panes.

Since 20220624-141144-bd1b7c5d

  • --bottom - Split vertically, with the new pane on the bottom.
  • --cells CELLS - The number of cells that the new split should have. If omitted, 50% of the available space is used.
  • --left - Split horizontally, with the new pane on the left.
  • --move-pane-id MOVE_PANE_ID - Instead of spawning a new command, move the specified pane into the newly created split.
  • --percent PERCENT - Specify the number of cells that the new split should have, expressed as a percentage of the available space.
  • --right - Split horizontally, with the new pane on the right.
  • --top - Split vertically, with the new pane on the top.
  • --top-level - Rather than splitting the active pane, split the entire window.

wezterm show-keys

Since: 20220624-141144-bd1b7c5d

Prints the complete set of key assignments based on your config file.

The command shows each key table as well as the set of mouse bindings.

A truncated example of the output is shown below.

Default key table
-----------------

        CTRL                 Tab                ->   ActivateTabRelative(1)
        SHIFT | CTRL         Tab                ->   ActivateTabRelative(-1)
        ...

Key Table: copy_mode
--------------------

                Tab          ->   CopyMode(MoveForwardWord)
        SHIFT   Tab          ->   CopyMode(MoveBackwardWord)
        SHIFT   $            ->   CopyMode(MoveToEndOfLineContent)
        ...

Key Table: search_mode
----------------------

               Enter       ->   CopyMode(PriorMatch)
               Escape      ->   CopyMode(Close)
        CTRL   n           ->   CopyMode(NextMatch)
        ...

Mouse
-----

                       Down { streak: 1, button: Left }     ->   SelectTextAtMouseCursor(Cell)
        SHIFT          Down { streak: 1, button: Left }     ->   ExtendSelectionToMouseCursor(None)
        ALT            Down { streak: 1, button: Left }     ->   SelectTextAtMouseCursor(Block)
        ...

Lua Reference

This section documents the various lua functions and types that are provided to the configuration file. These are provided by the wezterm module that must be imported into your configuration file:

local wezterm = require 'wezterm';
return {
  font = wezterm.font("JetBrains Mono"),
}

Making your own Lua Modules

If you'd like to break apart your configuration into multiple files, you'll be interested in this information.

The package.path is configured with the following paths in this order:

  • On Windows: a wezterm_modules dir in the same directory as wezterm.exe
  • ~/.config/wezterm
  • ~/.wezterm
  • A system specific set of paths which may (or may not!) find locally installed lua modules

That means that if you wanted to break your config up into a helpers.lua file you would place it in ~/.config/wezterm/helpers.lua with contents like this:

-- I am helpers.lua and I should live in ~/.config/wezterm/helpers.lua

local wezterm = require 'wezterm';

-- This is the module table that we will export
local module = {}

-- This function is private to this module and is not visible
-- outside.
local function private_helper()
  wezterm.log_error("hello!")
end

-- define a function in the module table.
-- Only functions defined in `module` will be exported to
-- code that imports this module
function module.my_function()
  private_helper()
end

-- return our module table
return module

and then in your wezterm.lua you would use it like this:

local helpers = require 'helpers';
helpers.my_function()

require wezterm

The wezterm module is the primary module that exposes wezterm configuration and control to your config file.

You will typically place:

local wezterm = require 'wezterm';

at the top of your configuration file to enable it.

Available functions, constants

wezterm.GLOBAL

Since: 20220624-141144-bd1b7c5d

Provides global, in-process, in-memory, data storage for json-like variables that persists across config reloads.

wezterm's lua files may be re-loaded and re-evaluated multiple times in different contexts or in different threads. If you'd like to keep track of state that lasts for the lifetime of your wezterm process then you cannot simply use global variables in the lua script.

wezterm.GLOBAL is a special userdata value that acts like a table. Writing to keys will copy the data that you assign into a global in-memory table and allow it to be read back later.

Reads and writes from/to wezterm.GLOBAL are thread-safe but don't currently provide synchronization primitives for managing read-modify-write operations.

The following example shows the number of times that the config has been loaded in the right status bar. Watch it increase when you press the ReloadConfiguration key assignment (CTRL-SHIFT-R):

local wezterm = require 'wezterm'

-- Count how many times the lua config has been loaded
wezterm.GLOBAL.parse_count = (wezterm.GLOBAL.parse_count or 0) + 1

wezterm.on("update-right-status", function(window, pane)
  window:set_right_status("Reloads=" .. tostring(wezterm.GLOBAL.parse_count))
end)

return {}

Note that the reload counter goes up by more than 1 when you reload: that is because the config is evaluated multiple times in different threads as part of safely validating and setting up the configuration.

You may store values with the following types:

  • string
  • number
  • table
  • boolean

Attempting to assign other types will raise an error.

wezterm.action

Helper for defining key assignment actions in your configuration file. This is really just sugar for the underlying Lua -> Rust deserialation mapping that makes it a bit easier to identify where syntax errors may exist in your configuration file.

Constructor Syntax

Since: 20220624-141144-bd1b7c5d

wezterm.action is a special enum constructor type that makes it bit more ergonomic to express the various actions than in earlier releases. The older syntax is still supported, so you needn't scramble to update your configuration files.

Indexing wezterm.action with a valid KeyAssignment name will act as a constructor for that key assignment type. For example, the lua expression:

wezterm.action.QuickSelectArgs

is a constructor for QuickSelectArgs.

If the key assignment type is a unit variant (has no parameters) such as Copy, or can be constructed with default values such as QuickSelectArgs then you can reference the constructor directly to have it evaluate as that value without having to add any extra punctuation:

local wezterm = require 'wezterm'
return {
   keys = {
     {key=" ", mods="CTRL|SHIFT", action=wezterm.action.QuickSelectArgs},
   }
}

You may pass the optional parameters to QuickSelectArgs as you need them, like this:

local wezterm = require 'wezterm'
return {
   keys = {
     {key=" ", mods="CTRL|SHIFT", action=wezterm.action.QuickSelectArgs{
      alphabet="abc"
     }},
   }
}

If the key assignment type is a tuple variant (has positional parameters) such as ActivatePaneByIndex, then you can pass those by calling the constructor:

local wezterm = require 'wezterm'
-- shortcut to save typing below
local act = wezterm.action

return {
   keys = {
     {key="F1", mods="ALT", action=act.ActivatePaneByIndex(0)},
     {key="F2", mods="ALT", action=act.ActivatePaneByIndex(1)},
     {key="F3", mods="ALT", action=act.ActivatePaneByIndex(2)},
     {key="F4", mods="ALT", action=act.ActivatePaneByIndex(3)},
     {key="F5", mods="ALT", action=act.ActivatePaneByIndex(4)},
     {key="F6", mods="ALT", action=act.ActivatePaneByIndex(5)},
     {key="F7", mods="ALT", action=act.ActivatePaneByIndex(6)},
     {key="F8", mods="ALT", action=act.ActivatePaneByIndex(7)},
     {key="F9", mods="ALT", action=act.ActivatePaneByIndex(8)},
     {key="F10", mods="ALT", action=act.ActivatePaneByIndex(9)},

     -- Compare this with the older syntax shown in the section below
     {key="{", mods="CTRL", action=act.ActivateTabRelative(-1)},
     {key="}", mods="CTRL", action=act.ActivateTabRelative(1)},
   }
}

Older versions

For versions before 20220624-141144-bd1b7c5d, usage looks like this:

local wezterm = require 'wezterm';
return {
   keys = {
     {key="{", mods="CTRL", action=wezterm.action{ActivateTabRelative=-1}},
     {key="}", mods="CTRL", action=wezterm.action{ActivateTabRelative=1}},
   }
}

The parameter is a lua representation of the underlying KeyAssignment enum from the configuration code. These docs aim to spell out sufficient examples that you shouldn't need to learn to read Rust code, but there are occasions where newly developed features are not yet documented and an enterprising user may wish to go spelunking to figure them out!

You can find the reference for available KeyAssignment values here.

wezterm.action_callback(callback)

Since: 20211204-082213-a66c61ee9

This function is a helper to register a custom event and return an action triggering it.

It is helpful to write custom key bindings directly, without having to declare the event and use it in a different place.

The implementation is essentially the same as:

function wezterm.action_callback(callback)
  local event_id = "..." -- the function generates a unique event id
  wezterm.on(event_id, callback)
  return wezterm.action.EmitEvent(event_id)
end

See wezterm.on and wezterm.action for more info on what you can do with these.

Usage

local wezterm = require 'wezterm';

return {
  keys = {
    {
      mods = "CTRL|SHIFT",
      key = "i",
      action = wezterm.action_callback(function(win, pane)
        wezterm.log_info("Hello from callback!")
        wezterm.log_info("WindowID:", win:window_id(), "PaneID:", pane:pane_id())
      end)
    },
  }
}

wezterm.add_to_config_reload_watch_list(path)

Since: 20210814-124438-54e29167

Adds path to the list of files that are watched for config changes. If automatically_reload_config is enabled, then the config will be reloaded when any of the files that have been added to the watch list have changed.

Since: nightly builds only

This function is now called implicitly when you require a lua file.

wezterm.background_child_process(args)

Since: 20211204-082213-a66c61ee9

This function accepts an argument list; it will attempt to spawn that command in the background.

May generate an error if the command is not able to be spawned (eg: perhaps the executable doesn't exist), but not all operating systems/environments report all types of spawn failures immediately upon spawn.

This function doesn't return any value.

This example shows how you might set up a custom key assignment that opens the terminal background image in a separate image viewer process:

local wezterm = require 'wezterm'

return {
  window_background_image = "/home/wez/Downloads/sunset-american-fork-canyon.jpg",
  keys = {
    {mods="CTRL|SHIFT", key="m",
      action=wezterm.action_callback(function(win, pane)
        wezterm.background_child_process(
            {"xdg-open", win:effective_config().window_background_image})
      end)
    }
  }
}

See also run_child_process

wezterm.battery_info()

Since: 20210314-114017-04b7cedd

This function returns battery information for each of the installed batteries on the system. This is useful for example to assemble status information for the status bar.

The return value is an array of objects with the following fields:

  • state_of_charge - the battery level expressed as a number between 0.0 (empty) and 1.0 (full)
  • vendor - battery manufacturer name, or "unknown" if not known.
  • model - the battery model string, or "unknown" if not known.
  • serial - the battery serial number, or "unknown" if not known.
  • time_to_full - if charging, how long until the battery is full (in seconds). May be nil.
  • time_to_empty - if discharing, how long until the battery is empty (in seconds). May be nil.
  • state - "Charging", "Discharging", "Empty", "Full", "Unknown"

This example shows the battery status for each battery, along with the date and time in the status bar:

local wezterm = require 'wezterm';

wezterm.on("update-right-status", function(window, pane)
  -- "Wed Mar 3 08:14"
  local date = wezterm.strftime("%a %b %-d %H:%M ");

  local bat = ""
  for _, b in ipairs(wezterm.battery_info()) do
    bat = "🔋 " .. string.format("%.0f%%", b.state_of_charge * 100)
  end

  window:set_right_status(wezterm.format({
    {Text=bat .. "   "..date},
  }));
end)

wezterm.column_width(string)

Since: 20210502-130208-bff6815d

Given a string parameter, returns the number of columns that that text occupies in the terminal, which is useful together with format-tab-title and update-right-status to compute/layout tabs and status information.

This is different from string.len which returns the number of bytes that comprise the string.

wezterm.config_dir

This constant is set to the path to the directory in which your wezterm.lua configuration file was found.

local wezterm = require 'wezterm';
wezterm.log_error("Config Dir " .. wezterm.config_dir)

wezterm.config_file

Since: 20210502-130208-bff6815d

This constant is set to the path to the wezterm.lua that is in use.

local wezterm = require 'wezterm';
wezterm.log_info("Config file " .. wezterm.config_file)

wezterm.default_wsl_domains()

Since: 20220319-142410-0fcdea07

Computes a list of WslDomain objects, each one representing an installed WSL distribution on your system.

This list is the same as the default value for the wsl_domains configuration option, which is to make a WslDomain with the distribution field set to the name of WSL distro and the name field set to name of the distro but with "WSL:" prefixed to it.

For example, if:

; wsl -l -v
  NAME            STATE           VERSION
* Ubuntu-18.04    Running         1

then this function will return:

{
  { name: "WSL:Ubuntu-18.04",
    distribution: "Ubuntu-18.04",
  },
}

The purpose of this function is to aid in situations where you might want set default_prog for the WSL distributions:

local wezterm = require 'wezterm'

local wsl_domains = wezterm.default_wsl_domains()

for idx, dom in ipairs(wsl_domains) do
  if dom.name == "WSL:Ubuntu-18.04" then
    dom.default_prog = {"fish"}
  end
end

return {
  wsl_domains = wsl_domains,
}

However, wez strongly recommends that you use chsh inside the WSL domain to make that the default shell if possible, so that you can avoid this additional configuration!

wezterm.emit(event_name, args...)

Since: 20201031-154415-9614e117

wezterm.emit resolves the registered callback(s) for the specified event name and calls each of them in turn, passing the additional arguments through to the callback.

If a callback returns false then it prevents later callbacks from being called for this particular call to wezterm.emit, and wezterm.emit will return false to indicate that no additional/default processing should take place.

If none of the callbacks returned false then wezterm.emit will itself return true to indicate that default processing should take place.

This function has no special knowledge of which events are defined by wezterm, or what their required arguments might be.

See wezterm.on for more information about event handling.

wezterm.enumerate_ssh_hosts([ssh_config_file_name, ...])

Since: 20220319-142410-0fcdea07

This function will parse your ssh configuration file(s) and extract from them the set of literal (non-pattern, non-negated) host names that are specified in Host and Match stanzas contained in those configuration files and return a mapping from the hostname to the effective ssh config options for that host.

You may optionally pass a list of ssh configuration files that should be read, in case you have a special configuration.

The files you specify (if any) will be parsed first, and then the default locations for your system will be parsed.

All files read by a call to this function, and any include statements processed from those ssh config files, will be added to the config reload watch list as though wezterm.add_to_config_reload_watch_list() was called on them. Note that only concrete path names are watched: if your config uses include to include glob patterns in a directory then, for example, newly created files in that directory will not cause a config reload event in wezterm.

This example shows how to use this function to automatically configure ssh multiplexing domains for the hosts configured in your ~/.ssh/config file:

local wezterm = require 'wezterm'

local ssh_domains = {}

for host, config in pairs(wezterm.enumerate_ssh_hosts()) do
  table.insert(ssh_domains, {
    -- the name can be anything you want; we're just using the hostname
    name = host,
    -- remote_address must be set to `host` for the ssh config to apply to it
    remote_address = host,

    -- if you don't have wezterm's mux server installed on the remote
    -- host, you may wish to set multiplexing = "None" to use a direct
    -- ssh connection that supports multiple panes/tabs which will close
    -- when the connection is dropped.

    -- multiplexing = "None",


    -- if you know that the remote host has a posix/unix environment,
    -- setting assume_shell = "Posix" will result in new panes respecting
    -- the remote current directory when multiplexing = "None".
    assume_shell = "Posix",
  })
end

return {
  ssh_domains = ssh_domains,
}

This shows the structure of the returned data, by evaluating the function in the debug overlay (CTRL-SHIFT-L):

> wezterm.enumerate_ssh_hosts()
{
    "aur.archlinux.org": {
        "hostname": "aur.archlinux.org",
        "identityagent": "/run/user/1000/keyring/ssh",
        "identityfile": "/home/wez/.ssh/aur",
        "port": "22",
        "user": "aur",
        "userknownhostsfile": "/home/wez/.ssh/known_hosts /home/wez/.ssh/known_hosts2",
    },
    "woot": {
        "hostname": "localhost",
        "identityagent": "/run/user/1000/keyring/ssh",
        "identityfile": "/home/wez/.ssh/id_dsa /home/wez/.ssh/id_ecdsa /home/wez/.ssh/id_ed25519 /home/wez/.ssh/id_rsa",
        "port": "22",
        "user": "someone",
        "userknownhostsfile": "/home/wez/.ssh/known_hosts /home/wez/.ssh/known_hosts2",
    },
}

the corresponding ~/.ssh/config file for the above is shown below: note host the Host group with a wildcard is not returned by the function because it doesn't have a concrete host name:

Host aur.archlinux.org
  IdentityFile ~/.ssh/aur
  User aur

Host 192.168.1.*
  ForwardAgent yes
  ForwardX11 yes

Host woot
  User someone
  Hostname localhost

wezterm.executable_dir

This constant is set to the directory containing the wezterm executable file.

local wezterm = require 'wezterm';
wezterm.log_error("Exe dir " .. wezterm.executable_dir)

wezterm.font(family [, attributes])

This function constructs a lua table that corresponds to the internal FontAttributes struct that is used to select a single named font:

local wezterm = require 'wezterm';

return {
  font = wezterm.font("JetBrains Mono"),
}

The first parameter is the name of the font; the name can be one of the following types of names:

  • The font family name, eg: "JetBrains Mono". The family name doesn't include any style information (such as weight, stretch or italic), which can be specified via the attributes parameter. This is the recommended name to use for the font, as it the most compatible way to resolve an installed font.
  • The computed full name, which is the family name with the sub-family (which incorporates style information) appended, eg: "JetBrains Mono Regular".
  • (Since 20210502-154244-3f7122cb) The postscript name, which is an ostensibly unique name identifying a given font and style that is encoded into the font by the font designer.

When specifying a font using its family name, the second attributes parameter is an optional table that can be used to specify style attributes; the following keys are allowed:

  • bold - whether to select a bold variant of the font (default: false)
  • italic - whether to select an italic variant of the font (default: false)

When attributes are specified, the font must match both the family name and attributes in order to be selected.

local wezterm = require 'wezterm';

return {
  font = wezterm.font("JetBrains Mono", {bold=true}),
}

Since: 20210502-130208-bff6815d

It is now possible to specify both font weight and font stretch when matching fonts:

  • stretch - specifies the font stretch to select. The default value is "Normal", and possible values are "UltraCondensed", "ExtraCondensed", "Condensed", "SemiCondensed", "Normal", "SemiExpanded", "Expanded", "ExtraExpanded", "UltraExpanded".
  • weight - specifies the weight of the font with more precision than bold. The default value is "Regular", and possible values are "Thin", "ExtraLight", "Light", "DemiLight", "Book", "Regular", "Medium", "DemiBold", "Bold", "ExtraBold", "Black", and "ExtraBlack".
  • bold - has been superseded by the new weight parameter and will be eventually removed. For compatibility purposes, specifying bold=true is equivalent to specifying weight="Bold".

These parameters are passed to the system font locator when resolving the font, which will apply system-specific rules to resolve the font.

When resolving fonts from font_dirs, wezterm follows CSS Fonts Level 3 compatible font matching, which tries to exactly match the specified attributes, but allows for locating a close match within the specified font family.

local wezterm = require 'wezterm';

return {
  font = wezterm.font('Iosevka Term', {stretch="Expanded", weight="Regular"}),
}

An alternative form of specifying the font can be used, where the family and the attributes are combined in the same lua table. This form is most useful when used together with wezterm.font_with_fallback when you want to specify precise weights for the different fallback fonts:

local wezterm = require 'wezterm';

return {
  font = wezterm.font({family='Iosevka Term', stretch="Expanded", weight="Regular"}),
}

Since: 20220101-133340-7edc5b5a

You can use the expanded form mentioned above to override freetype and harfbuzz settings just for the specified font; this examples shows how to disable the default ligature feature just for this particular font:

local wezterm = require 'wezterm'
return {
  font = wezterm.font({
    family="JetBrains Mono",
    harfbuzz_features={"calt=0", "clig=0", "liga=0"},
  })
}

The following options can be specified in the same way:

Since: 20220319-142410-0fcdea07

You may now specify style="Normal", style="Italic" or style="Oblique" instead of simply specifying a boolean italic value such as italic=true.

italic=false is equivalent to style="Normal", and italic=true is equivalent to style="Italic".

"Oblique" and "Italic" fonts are similar in the sense that the glyphs are presented at an angle. "Italic" fonts usually have a distinctive design difference from the "Normal" style in a given font family, whereas "Oblique" usually looks very similar to "Normal", but skewed at an angle.

wezterm.font_with_fallback(families [, attributes])

This function constructs a lua table that configures a font with fallback processing. Glyphs are looked up in the first font in the list but if missing the next font is checked and so on.

The first parameter is a table listing the fonts in their preferred order:

local wezterm = require 'wezterm';

return {
  font = wezterm.font_with_fallback({"JetBrains Mono", "Noto Color Emoji"}),
}

WezTerm implicitly adds its default fallback to the list that you specify.

The attributes parameter behaves the same as that of wezterm.font in that it allows you to specify font weight and style attributes that you want to match.

Since: 20210502-130208-bff6815d

The attributes can now be specified per fallback font using this alternative form where the family and attributes are specified as part of the same lua table:

local wezterm = require 'wezterm';

return {
  font = wezterm.font_with_fallback({
    {family="JetBrains Mono", weight="Medium"},
    {family="Terminus", weight="Bold"},
    "Noto Color Emoji",
  }),
}

Since: 20220101-133340-7edc5b5a

You can use the expanded form mentioned above to override freetype and harfbuzz settings just for the specified font; this examples shows how to disable the default ligature feature just for JetBrains Mono, but leave it on for the other fonts in the fallback:

local wezterm = require 'wezterm';

return {
  font = wezterm.font_with_fallback({
    {
      family="JetBrains Mono",
      harfbuzz_features={"calt=0", "clig=0", "liga=0"},
    },
    {family="Terminus", weight="Bold"},
    "Noto Color Emoji",
  }),
}

The following options can be specified in the same way:

Dealing with different fallback font heights

When mixing different font families there is a chance that glyphs from one font don't appear to be the same height as the glyphs from your primary font.

For "Roman" fonts there exists a font metric known as cap-height which indicates the nominal size of a capital (uppercase) letter that can be used to compute a scaling factor that can be used to make the fallback font appear to have the same size.

Setting use_cap_height_to_scale_fallback_fonts = true will cause wezterm to try to automatically scale using the cap-height metric (or to compute its own idea of the cap-height based on the size of glyph(s)).

Manual fallback scaling

Since: 20220408-101518-b908e2dd

CJK fonts typically won't have a useful cap-height metric so it may be desirable to manually configure the fallback scaling factor to boost the size of the CJK font so that the glyphs are more readable.

The example below shows how to boost the effective size of the "Microsoft YaHei" fallback font to 1.5 times the normal size. The boost cannot influence font metrics so it may be desirable to also specify line_height to produce a more pleasing display.

local wezterm = require 'wezterm'

return {
  line_height = 1.2,
  font = wezterm.font_with_fallback({
    "JetBrains Mono",
    {family="Microsoft YaHei", scale=1.5},
  }),
}

wezterm.format({})

Since: 20210314-114017-04b7cedd

wezterm.format can be used to produce a formatted string with terminal graphic attributes such as bold, italic and colors. The resultant string is rendered into a string with wezterm compatible escape sequences embedded.

wezterm.format accepts a single array argument, where each element is a FormatItem.

This example logs the text Hello, then the date/time, underlined, in purple text on a blue background to the stderr of the wezterm process:

local wezterm = require 'wezterm';

local success, date, stderr = wezterm.run_child_process({"date"});

wezterm.log_info(wezterm.format({
  {Attribute={Underline="Single"}},
  {Foreground={AnsiColor="Fuchsia"}},
  {Background={Color="blue"}},
  {Text="Hello " .. date .. " "},
  "ResetAttributes",
  {Text="this text has default attributes"}
}))

Possible values for the FormatItem elements are:

  • {Text="Hello"} - the text Hello. The string can be any string expression.
  • {Attribute={Underline="None"}} - disable underline
  • {Attribute={Underline="Single"}} - enable single underline
  • {Attribute={Underline="Double"}} - enable double underline
  • {Attribute={Underline="Curly"}} - enable curly underline
  • {Attribute={Underline="Dotted"}} - enable dotted underline
  • {Attribute={Underline="Dashed"}} - enable dashed underline
  • {Attribute={Intensity="Normal"}} - set normal intensity
  • {Attribute={Intensity="Bold"}} - set bold intensity
  • {Attribute={Intensity="Half"}} - set half intensity
  • {Attribute={Italic=true}} - enable italics
  • {Attribute={Italic=false}} - disable italics
  • {Foreground={AnsiColor="Black"}} - set foreground color to one of the ansi color palette values (index 0-15) using one of the names Black, Maroon, Green, Olive, Navy, Purple, Teal, Silver, Grey, Red, Lime, Yellow, Blue, Fuchsia, Aqua or White.
  • {Foreground={Color="yellow"}} - set foreground color to a named color or rgb value like #ffffff.
  • {Background={AnsiColor="Black"}} - set the background color to an ansi color as per Foreground above.
  • {Background={Color="blue"}} - set the background color to a named color or rgb value as per Foreground above.
  • "ResetAttributes" - reset all attributes to default. (Since: nightly builds only)

wezterm.get_builtin_color_schemes()

Since: 20220101-133340-7edc5b5a

Returns a lua table keyed by color scheme name and whose values are the color scheme definition of the builtin color schemes.

This is useful for programmatically deciding things about the scheme to use based on its color, or for taking a scheme and overriding a couple of entries just from your wezterm.lua configuration file.

This example shows how to make wezterm pick a random color scheme for each newly created window:

local wezterm = require 'wezterm'

-- The set of schemes that we like and want to put in our rotation
local schemes = {}
for name, scheme in pairs(wezterm.get_builtin_color_schemes()) do
  table.insert(schemes, name)
end

wezterm.on("window-config-reloaded", function(window, pane)
  -- If there are no overrides, this is our first time seeing
  -- this window, so we can pick a random scheme.
  if not window:get_config_overrides() then
    -- Pick a random scheme name
    local scheme = schemes[math.random(#schemes)]
    window:set_config_overrides({
      color_scheme = scheme
    })
  end
end)

return {
}

This example shows how to take an existing scheme, modify a color, and then use that new scheme to override the default:

local wezterm = require 'wezterm'

local scheme = wezterm.get_builtin_color_schemes()["Gruvbox Light"]
scheme.background = "red"

return {
  color_schemes = {
    -- Override the builtin Gruvbox Light scheme with our modification.
    ["Gruvbox Light"] = scheme,

    -- We can also give it a different name if we don't want to override
    -- the default
    ["Gruvbox Red"] = scheme,
  },
  color_scheme = "Gruvbox Light",
}

wezterm.glob(pattern [, relative_to])

Since: 20200503-171512-b13ef15f

This function evalutes the glob pattern and returns an array containing the absolute file names of the matching results. Due to limitations in the lua bindings, all of the paths must be able to be represented as UTF-8 or this function will generate an error.

The optional relative_to parameter can be used to make the results relative to a path. If the results have the same prefix as relative_to then it will be removed from the returned path.

local wezterm = require 'wezterm';

-- logs the names of all of the conf files under `/etc`
for _, v in ipairs(wezterm.glob("/etc/*.conf")) do
  wezterm.log_error("entry: " .. v)
end

wezterm.gradient_colors(gradient, num_colors)

Since: 20210814-124438-54e29167

Given a gradient spec and a number of colors, returns a table holding that many colors spaced evenly across the range of the gradient.

This is useful for example to generate colors for tabs, or to do something fancy like interpolate colors across a gradient based on the time of the day.

gradient is any gradient allowed by the window_background_gradient option.

This example is what you'd see if you opened up the debug overlay to try this out in the repl:

> wezterm.gradient_colors({preset="Rainbow"}, 4)
["#6e40aa", "#ff8c38", "#5dea8d", "#6e40aa"]

wezterm.home_dir

This constant is set to the home directory of the user running wezterm.

local wezterm = require 'wezterm';
wezterm.log_error("Home " .. wezterm.home_dir)

wezterm.hostname()

This function returns the current hostname of the system that is running wezterm. This can be useful to adjust configuration based on the host.

Note that environments that use DHCP and have many clients and short leases may make it harder to rely on the hostname for this purpose.

local wezterm = require 'wezterm';
local hostname = wezterm.hostname();

local font_size;
if hostname == "pixelbookgo-localdomain" then
  -- Use a bigger font on the smaller screen of my PixelBook Go
  font_size = 12.0;
else
  font_size = 10.0;
end

return {
  font_size = font_size
}

wezterm.json_encode(value)

Since: nightly builds only

Encodes the supplied lua value as json:

> wezterm.json_encode({foo = "bar"})
"{\"foo\":\"bar\"}"

wezterm.json_parse(string)

Since: nightly builds only

Parses the supplied string as json and returns the equivalent lua values:

> wezterm.json_parse('{"foo":"bar"}')
{
    "foo": "bar",
}

wezterm.log_error(arg, ..)

This function logs the provided message string through wezterm's logging layer at 'ERROR' level. If you started wezterm from a terminal that text will print to the stdout of that terminal. If running as a daemon for the multiplexer server then it will be logged to the daemon output path.

local wezterm = require 'wezterm';
wezterm.log_error("Hello!");

Since: 20210814-124438-54e29167

Now accepts multiple arguments, and those arguments can be of any type.

See also log_info and log_warn.

wezterm.log_info(arg, ..)

Since: 20210314-114017-04b7cedd

This function logs the provided message string through wezterm's logging layer at 'INFO' level. If you started wezterm from a terminal that text will print to the stdout of that terminal. If running as a daemon for the multiplexer server then it will be logged to the daemon output path.

local wezterm = require 'wezterm';
wezterm.log_info("Hello!");

Since: 20210814-124438-54e29167

Now accepts multiple arguments, and those arguments can be of any type.

See also log_error and log_warn.

wezterm.log_warn(arg, ..)

Since: 20210314-114017-04b7cedd

This function logs the provided message string through wezterm's logging layer at 'WARN' level. If you started wezterm from a terminal that text will print to the stdout of that terminal. If running as a daemon for the multiplexer server then it will be logged to the daemon output path.

local wezterm = require 'wezterm';
wezterm.log_warn("Hello!");

Since: 20210814-124438-54e29167

Now accepts multiple arguments, and those arguments can be of any type.

See also log_info and log_error.

wezterm.nerdfonts

Since: 20220319-142410-0fcdea07

A special userdata value that can be used to resolve the symbolic name of a glyph from the Nerd Fonts font set into a string that can be used for example when formatting status lines and titles in your wezterm configuration.

WezTerm includes Nerd Font Symbols Font as a default font fallback which means that these special symbols are available even without requiring you to use a patched font.

This example shows how to lookup wezterm.nerdfonts.mdi_clock, the Material Design Icons glyph representing a clock, and use that together with the current date/time in the status area:

local wezterm = require 'wezterm';

wezterm.on("update-right-status", function(window, pane)
  -- "Wed Mar 3 08:14"
  local date = wezterm.strftime("%a %b %-d %H:%M ");

  window:set_right_status(wezterm.format({
    {Text=wezterm.nerdfonts.mdi_clock .. " "..date},
  }));
end)

The following symbols are defined:
custom_c
custom_cpp
custom_crystal
custom_electron
custom_elixir
custom_elm
custom_folder
custom_folder_config
custom_folder_git
custom_folder_git_branch
custom_folder_github
custom_folder_npm
custom_folder_open
custom_go
custom_msdos
custom_puppet
custom_purescript
custom_vim
custom_windows
dev_android
dev_angular
dev_appcelerator
dev_apple
dev_appstore
dev_aptana
dev_asterisk
dev_atlassian
dev_atom
dev_aws
dev_backbone
dev_bing_small
dev_bintray
dev_bitbucket
dev_blackberry
dev_bootstrap
dev_bower
dev_brackets
dev_bugsense
dev_celluloid
dev_chart
dev_chrome
dev_cisco
dev_clojure
dev_clojure_alt
dev_cloud9
dev_coda
dev_code
dev_code_badge
dev_codeigniter
dev_codepen
dev_codrops
dev_coffeescript
dev_compass
dev_composer
dev_creativecommons
dev_creativecommons_badge
dev_css3
dev_css3_full
dev_css_tricks
dev_cssdeck
dev_dart
dev_database
dev_debian
dev_digital_ocean
dev_django
dev_dlang
dev_docker
dev_doctrine
dev_dojo
dev_dotnet
dev_dreamweaver
dev_dropbox
dev_drupal
dev_eclipse
dev_ember
dev_envato
dev_erlang
dev_extjs
dev_firebase
dev_firefox
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mdi_account_plus
ﳿmdi_account_plus_outline
mdi_account_remove
mdi_account_search
אָmdi_account_settings
אּmdi_account_settings_variant
mdi_account_star
mdi_account_switch
mdi_adjust
mdi_air_conditioner
mdi_airballoon
mdi_airplane
䀘mdi_airplane_landing
mdi_airplane_off
䀹mdi_airplane_takeoff
mdi_airplay
mdi_alarm
ﲌmdi_alarm_bell
mdi_alarm_check
ﲍmdi_alarm_light
mdi_alarm_multiple
mdi_alarm_off
mdi_alarm_plus
ﮌmdi_alarm_snooze
mdi_album
mdi_alert
mdi_alert_box
mdi_alert_circle
𥉉mdi_alert_circle_outline
﮻mdi_alert_decagram
mdi_alert_octagon
ﱥmdi_alert_octagram
mdi_alert_outline
﮼mdi_all_inclusive
ﴀmdi_allo
mdi_alpha
mdi_alphabetical
𥳐mdi_altimeter
mdi_amazon
mdi_amazon_clouddrive
mdi_ambulance
mdi_amplifier
mdi_anchor
mdi_android
mdi_android_debug_bridge
ﲎmdi_android_head
mdi_android_studio
ﮰmdi_angular
﮽mdi_angularjs
𧻓mdi_animation
mdi_apple
mdi_apple_finder
mdi_apple_ios
בּmdi_apple_keyboard_caps
גּmdi_apple_keyboard_command
דּmdi_apple_keyboard_control
הּmdi_apple_keyboard_option
וּmdi_apple_keyboard_shift
mdi_apple_mobileme
mdi_apple_safari
ﬓmdi_application
ﲏmdi_approval
mdi_apps
mdi_archive
mdi_arrange_bring_forward
mdi_arrange_bring_to_front
mdi_arrange_send_backward
mdi_arrange_send_to_back
mdi_arrow_all
mdi_arrow_bottom_left
mdi_arrow_bottom_right
ﬔmdi_arrow_collapse
mdi_arrow_collapse_all
ﲐmdi_arrow_collapse_down
ﲑmdi_arrow_collapse_left
ﲒmdi_arrow_collapse_right
ﲓmdi_arrow_collapse_up
mdi_arrow_down
ﰬmdi_arrow_down_bold
ﰭmdi_arrow_down_bold_box
ﰮmdi_arrow_down_bold_box_outline
mdi_arrow_down_bold_circle
mdi_arrow_down_bold_circle_outline
mdi_arrow_down_bold_hexagon_outline
﮾mdi_arrow_down_box
mdi_arrow_down_drop_circle
mdi_arrow_down_drop_circle_outline
mdi_arrow_down_thick
ﬕmdi_arrow_expand
mdi_arrow_expand_all
ﲔmdi_arrow_expand_down
ﲕmdi_arrow_expand_left
ﲖmdi_arrow_expand_right
ﲗmdi_arrow_expand_up
mdi_arrow_left
ﰯmdi_arrow_left_bold
ﰰmdi_arrow_left_bold_box
ﰱmdi_arrow_left_bold_box_outline
mdi_arrow_left_bold_circle
mdi_arrow_left_bold_circle_outline
mdi_arrow_left_bold_hexagon_outline
﮿mdi_arrow_left_box
mdi_arrow_left_drop_circle
mdi_arrow_left_drop_circle_outline
mdi_arrow_left_thick
mdi_arrow_right
ﰲmdi_arrow_right_bold
ﰳmdi_arrow_right_bold_box
ﰴmdi_arrow_right_bold_box_outline
mdi_arrow_right_bold_circle
mdi_arrow_right_bold_circle_outline
mdi_arrow_right_bold_hexagon_outline
﯀mdi_arrow_right_box
mdi_arrow_right_drop_circle
mdi_arrow_right_drop_circle_outline
mdi_arrow_right_thick
mdi_arrow_top_left
mdi_arrow_top_right
mdi_arrow_up
ﰵmdi_arrow_up_bold
ﰶmdi_arrow_up_bold_box
ﰷmdi_arrow_up_bold_box_outline
mdi_arrow_up_bold_circle
mdi_arrow_up_bold_circle_outline
mdi_arrow_up_bold_hexagon_outline
﯁mdi_arrow_up_box
mdi_arrow_up_drop_circle
mdi_arrow_up_drop_circle_outline
mdi_arrow_up_thick
ﴁmdi_artist
mdi_assistant
﯂mdi_asterisk
mdi_at
ﴂmdi_atlassian
ﱦmdi_atom
mdi_attachment
mdi_audiobook
mdi_auto_fix
mdi_auto_upload
mdi_autorenew
mdi_av_timer
ﴃmdi_azure
mdi_baby
ﮍmdi_baby_buggy
mdi_backburger
mdi_backspace
mdi_backup_restore
ﭳmdi_bandcamp
mdi_bank
mdi_barcode
mdi_barcode_scan
mdi_barley
mdi_barrel
mdi_basecamp
mdi_basket
mdi_basket_fill
mdi_basket_unfill
ﴄmdi_basketball
mdi_battery
mdi_battery_10
mdi_battery_20
mdi_battery_30
mdi_battery_40
mdi_battery_50
mdi_battery_60
mdi_battery_70
mdi_battery_80
mdi_battery_90
mdi_battery_alert
mdi_battery_charging
mdi_battery_charging_20
mdi_battery_charging_30
mdi_battery_charging_40
mdi_battery_charging_60
mdi_battery_charging_80
mdi_battery_charging_90
mdi_battery_charging_100
ﴅmdi_battery_charging_wireless
ﴆmdi_battery_charging_wireless_10
ﴇmdi_battery_charging_wireless_20
ﴈmdi_battery_charging_wireless_30
ﴉmdi_battery_charging_wireless_40
ﴊmdi_battery_charging_wireless_50
ﴋmdi_battery_charging_wireless_60
ﴌmdi_battery_charging_wireless_70
ﴍmdi_battery_charging_wireless_80
ﴎmdi_battery_charging_wireless_90
ﴏmdi_battery_charging_wireless_alert
ﴐmdi_battery_charging_wireless_outline
mdi_battery_minus
mdi_battery_negative
mdi_battery_outline
mdi_battery_plus
mdi_battery_positive
mdi_battery_unknown
mdi_beach
ﮎmdi_beaker
mdi_beats
mdi_beer
mdi_behance
mdi_bell
mdi_bell_off
mdi_bell_outline
mdi_bell_plus
mdi_bell_ring
mdi_bell_ring_outline
mdi_bell_sleep
mdi_beta
mdi_bible
mdi_bike
mdi_bing
mdi_binoculars
mdi_bio
mdi_biohazard
mdi_bitbucket
ﴑmdi_bitcoin
mdi_black_mesa
mdi_blackberry
mdi_blender
mdi_blinds
mdi_block_helper
mdi_blogger
mdi_bluetooth
mdi_bluetooth_audio
mdi_bluetooth_connect
mdi_bluetooth_off
mdi_bluetooth_settings
mdi_bluetooth_transfer
mdi_blur
mdi_blur_linear
mdi_blur_off
mdi_blur_radial
ﮏmdi_bomb
﯃mdi_bomb_off
mdi_bone
mdi_book
齃mdi_book_minus
mdi_book_multiple
mdi_book_multiple_variant
mdi_book_open
龎mdi_book_open_page_variant
mdi_book_open_variant
﫚mdi_book_plus
ﲘmdi_book_secure
ﲙmdi_book_unsecure
mdi_book_variant
mdi_bookmark
mdi_bookmark_check
mdi_bookmark_music
mdi_bookmark_outline
mdi_bookmark_plus
mdi_bookmark_plus_outline
mdi_bookmark_remove
﫛mdi_boombox
﯄mdi_bootstrap
mdi_border_all
mdi_border_bottom
mdi_border_color
mdi_border_horizontal
mdi_border_inside
mdi_border_left
mdi_border_none
mdi_border_outside
mdi_border_right
mdi_border_style
mdi_border_top
mdi_border_vertical
ﭶmdi_bow_tie
ﬖmdi_bowl
mdi_bowling
mdi_box
mdi_box_cutter
זּmdi_box_shadow
ﬗmdi_bridge
mdi_briefcase
mdi_briefcase_check
mdi_briefcase_download
ﴒmdi_briefcase_outline
mdi_briefcase_upload
mdi_brightness_1
mdi_brightness_2
mdi_brightness_3
mdi_brightness_4
mdi_brightness_5
mdi_brightness_6
mdi_brightness_7
mdi_brightness_auto
mdi_broom
mdi_brush
﬘mdi_buffer
mdi_bug
mdi_bulletin_board
mdi_bullhorn
﫜mdi_bullseye
mdi_bus
ﲚmdi_bus_articulated_end
ﲛmdi_bus_articulated_front
ﲜmdi_bus_double_decker
ﲝmdi_bus_school
ﲞmdi_bus_side
mdi_cached
mdi_cake
mdi_cake_layered
mdi_cake_variant
mdi_calculator
mdi_calendar
mdi_calendar_blank
mdi_calendar_check
mdi_calendar_clock
mdi_calendar_multiple
mdi_calendar_multiple_check
mdi_calendar_plus
ﮐmdi_calendar_question
ﭷmdi_calendar_range
mdi_calendar_remove
mdi_calendar_text
mdi_calendar_today
mdi_call_made
mdi_call_merge
mdi_call_missed
mdi_call_received
mdi_call_split
mdi_camcorder
mdi_camcorder_box
mdi_camcorder_box_off
mdi_camcorder_off
mdi_camera
ﮑmdi_camera_burst
mdi_camera_enhance
mdi_camera_front
mdi_camera_front_variant
ﲟmdi_camera_gopro
mdi_camera_iris
ﲠmdi_camera_metering_center
ﲡmdi_camera_metering_matrix
ﲢmdi_camera_metering_partial
ﲣmdi_camera_metering_spot
﫞mdi_camera_off
mdi_camera_party_mode
mdi_camera_rear
mdi_camera_rear_variant
mdi_camera_switch
mdi_camera_timer
ﰸmdi_cancel
﫡mdi_candle
mdi_candycane
ﲤmdi_cannabis
mdi_car
mdi_car_battery
mdi_car_connected
ﲥmdi_car_convertible
ﲦmdi_car_estate
ﲧmdi_car_hatchback
ﲨmdi_car_pickup
ﲩmdi_car_side
ﲪmdi_car_sports
mdi_car_wash
ﲫmdi_caravan
﬷mdi_cards
טּmdi_cards_outline
יּmdi_cards_playing_outline
﯅mdi_cards_variant
mdi_carrot
mdi_cart
ﭪmdi_cart_off
mdi_cart_outline
mdi_cart_plus
mdi_case_sensitive_alt
mdi_cash
mdi_cash_100
mdi_cash_multiple
mdi_cash_usd
mdi_cast
mdi_cast_connected
ﲈmdi_cast_off
mdi_castle
mdi_cat
ﲬmdi_cctv
ﱧmdi_ceiling_light
mdi_cellphone
mdi_cellphone_android
mdi_cellphone_basic
mdi_cellphone_dock
mdi_cellphone_iphone
mdi_cellphone_link
mdi_cellphone_link_off
mdi_cellphone_settings
ﴓmdi_cellphone_wireless
mdi_certificate
mdi_chair_school
mdi_chart_arc
mdi_chart_areaspline
mdi_chart_bar
ﱨmdi_chart_bar_stacked
﫢mdi_chart_bubble
ﲭmdi_chart_donut
ﲮmdi_chart_donut_variant
ﭫmdi_chart_gantt
mdi_chart_histogram
mdi_chart_line
ﱩmdi_chart_line_stacked
ﲯmdi_chart_line_variant
mdi_chart_pie
ﭬmdi_chart_scatterplot_hexbin
ﭭmdi_chart_timeline
mdi_check
mdi_check_all
﫟mdi_check_circle
﫠mdi_check_circle_outline
mdi_checkbox_blank
mdi_checkbox_blank_circle
mdi_checkbox_blank_circle_outline
mdi_checkbox_blank_outline
mdi_checkbox_marked
mdi_checkbox_marked_circle
mdi_checkbox_marked_circle_outline
mdi_checkbox_marked_outline
mdi_checkbox_multiple_blank
ךּmdi_checkbox_multiple_blank_circle
כּmdi_checkbox_multiple_blank_circle_outline
mdi_checkbox_multiple_blank_outline
mdi_checkbox_multiple_marked
לּmdi_checkbox_multiple_marked_circle
﬽mdi_checkbox_multiple_marked_circle_outline
mdi_checkbox_multiple_marked_outline
mdi_checkerboard
mdi_chemical_weapon
mdi_chevron_double_down
mdi_chevron_double_left
mdi_chevron_double_right
mdi_chevron_double_up
mdi_chevron_down
mdi_chevron_left
mdi_chevron_right
mdi_chevron_up
ﲰmdi_chili_hot
ﲱmdi_chili_medium
ﲲmdi_chili_mild
﬙mdi_chip
mdi_church
ﱣmdi_circle
ﱤmdi_circle_outline
mdi_cisco_webex
mdi_city
mdi_clipboard
mdi_clipboard_account
mdi_clipboard_alert
mdi_clipboard_arrow_down
mdi_clipboard_arrow_left
mdi_clipboard_check
﯆mdi_clipboard_flow
mdi_clipboard_outline
ﱏmdi_clipboard_plus
mdi_clipboard_text
mdi_clippy
mdi_clock
鬒mdi_clock_alert
mdi_clock_end
mdi_clock_fast
mdi_clock_in
mdi_clock_out
mdi_clock_start
mdi_close
mdi_close_box
mdi_close_box_outline
mdi_close_circle
mdi_close_circle_outline
mdi_close_network
mdi_close_octagon
mdi_close_octagon_outline
﯇mdi_close_outline
mdi_closed_caption
mdi_cloud
ﲳmdi_cloud_braces
mdi_cloud_check
mdi_cloud_circle
mdi_cloud_download
mdi_cloud_off_outline
mdi_cloud_outline
mdi_cloud_print
mdi_cloud_print_outline
מּmdi_cloud_sync
ﲴmdi_cloud_tags
mdi_cloud_upload
ﴔmdi_clover
mdi_code_array
mdi_code_braces
mdi_code_brackets
mdi_code_equal
mdi_code_greater_than
mdi_code_greater_than_or_equal
mdi_code_less_than
mdi_code_less_than_or_equal
mdi_code_not_equal
mdi_code_not_equal_variant
mdi_code_parentheses
mdi_code_string
mdi_code_tags
ﮒmdi_code_tags_check
mdi_codepen
mdi_coffee
﯈mdi_coffee_outline
mdi_coffee_to_go
mdi_coin
ﮓmdi_coins
﬿mdi_collage
mdi_color_helper
mdi_comment
mdi_comment_account
mdi_comment_account_outline
mdi_comment_alert
mdi_comment_alert_outline
mdi_comment_check
mdi_comment_check_outline
mdi_comment_multiple_outline
mdi_comment_outline
mdi_comment_plus_outline
mdi_comment_processing
mdi_comment_processing_outline
ﴕmdi_comment_question
mdi_comment_question_outline
﫝mdi_comment_remove
mdi_comment_remove_outline
mdi_comment_text
mdi_comment_text_outline
mdi_compare
mdi_compass
mdi_compass_outline
mdi_console
ﲵmdi_console_line
mdi_contact_mail
﯉mdi_contacts
mdi_content_copy
mdi_content_cut
mdi_content_duplicate
mdi_content_paste
mdi_content_save
mdi_content_save_all
ﴖmdi_content_save_outline
﬚mdi_content_save_settings
mdi_contrast
mdi_contrast_box
mdi_contrast_circle
mdi_cookie
﫥mdi_copyright
ﲶmdi_corn
mdi_counter
mdi_cow
mdi_creation
mdi_credit_card
mdi_credit_card_multiple
﫣mdi_credit_card_off
ﭴmdi_credit_card_plus
mdi_credit_card_scan
mdi_crop
mdi_crop_free
mdi_crop_landscape
mdi_crop_portrait
ﮔmdi_crop_rotate
mdi_crop_square
mdi_crosshairs
mdi_crosshairs_gps
mdi_crown
mdi_cube
mdi_cube_outline
mdi_cube_send
mdi_cube_unfolded
mdi_cup
﫤mdi_cup_off
mdi_cup_water
mdi_currency_btc
ﲷmdi_currency_chf
ﲸmdi_currency_cny
ﲹmdi_currency_eth
mdi_currency_eur
mdi_currency_gbp
mdi_currency_inr
ﲺmdi_currency_jpy
ﲻmdi_currency_krw
mdi_currency_ngn
mdi_currency_rub
ﲼmdi_currency_sign
mdi_currency_try
ﲽmdi_currency_twd
mdi_currency_usd
ﭸmdi_currency_usd_off
mdi_cursor_default
mdi_cursor_default_outline
mdi_cursor_move
mdi_cursor_pointer
﫦mdi_cursor_text
mdi_database
mdi_database_minus
mdi_database_plus
mdi_debug_step_into
mdi_debug_step_out
mdi_debug_step_over
ﱪmdi_decagram
ﱫmdi_decagram_outline
mdi_decimal_decrease
mdi_decimal_increase
mdi_delete
ﮁmdi_delete_circle
﯊mdi_delete_empty
﫧mdi_delete_forever
ﴗmdi_delete_restore
﫨mdi_delete_sweep
mdi_delete_variant
mdi_delta
mdi_deskphone
ﲾmdi_desktop_classic
mdi_desktop_mac
mdi_desktop_tower
mdi_details
ﮕmdi_developer_board
mdi_deviantart
﬛mdi_dialpad
mdi_diamond
mdi_dice_1
mdi_dice_2
mdi_dice_3
mdi_dice_4
mdi_dice_5
mdi_dice_6
﫪mdi_dice_d4
﫫mdi_dice_d6
﫬mdi_dice_d8
ﱭmdi_dice_d10
﫩mdi_dice_d20
ﱬmdi_dice_multiple
﬜mdi_dictionary
ﲿmdi_dip_switch
mdi_directions
נּmdi_directions_fork
ﭮmdi_discord
﫭mdi_disk
mdi_disk_alert
mdi_disqus
mdi_disqus_outline
mdi_division
mdi_division_box
ﮂmdi_dna
mdi_dns
ﮖmdi_do_not_disturb
ﮗmdi_do_not_disturb_off
ﮱmdi_dolby
mdi_domain
ﳀmdi_donkey
ﴘmdi_door
ﴙmdi_door_closed
ﴚmdi_door_open
mdi_dots_horizontal
ﳁmdi_dots_horizontal_circle
mdi_dots_vertical
ﳂmdi_dots_vertical_circle
ﮘmdi_douban
mdi_download
ﯲmdi_download_network
mdi_drag
mdi_drag_horizontal
mdi_drag_vertical
mdi_drawing
mdi_drawing_box
mdi_dribbble
mdi_dribbble_box
mdi_drone
mdi_dropbox
mdi_drupal
mdi_duck
mdi_dumbbell
ﳃmdi_ear_hearing
mdi_earth
﯋mdi_earth_box
﯌mdi_earth_box_off
mdi_earth_off
mdi_edge
mdi_eject
ﳄmdi_elephant
mdi_elevation_decline
mdi_elevation_rise
mdi_elevator
mdi_email
﯍mdi_email_alert
mdi_email_open
﫮mdi_email_open_outline
mdi_email_outline
mdi_email_secure
﫯mdi_email_variant
﮲mdi_emby
mdi_emoticon
mdi_emoticon_cool
ﮙmdi_emoticon_dead
mdi_emoticon_devil
ﮚmdi_emoticon_excited
mdi_emoticon_happy
mdi_emoticon_neutral
mdi_emoticon_poop
mdi_emoticon_sad
mdi_emoticon_tongue
mdi_engine
mdi_engine_outline
mdi_equal
mdi_equal_box
mdi_eraser
סּmdi_eraser_variant
mdi_escalator
mdi_ethernet
mdi_ethernet_cable
mdi_ethernet_cable_off
mdi_etsy
﫰mdi_ev_station
ﳅmdi_eventbrite
mdi_evernote
mdi_exclamation
mdi_exit_to_app
mdi_export
mdi_eye
mdi_eye_off
﯏mdi_eye_off_outline
﯎mdi_eye_outline
mdi_eyedropper
mdi_eyedropper_variant
﭂mdi_face
ףּmdi_face_profile
mdi_facebook
mdi_facebook_box
mdi_facebook_messenger
mdi_factory
mdi_fan
ﴛmdi_fan_off
mdi_fast_forward
﯐mdi_fast_forward_outline
mdi_fax
﯑mdi_feather
mdi_ferry
mdi_file
ﰹmdi_file_account
mdi_file_chart
mdi_file_check
mdi_file_cloud
mdi_file_delimited
mdi_file_document
mdi_file_document_box
mdi_file_excel
mdi_file_excel_box
mdi_file_export
mdi_file_find
﬒mdi_file_hidden
mdi_file_image
mdi_file_import
mdi_file_lock
mdi_file_multiple
mdi_file_music
mdi_file_outline
mdi_file_pdf
mdi_file_pdf_box
ﴜmdi_file_percent
ﱐmdi_file_plus
mdi_file_powerpoint
mdi_file_powerpoint_box
mdi_file_presentation_box
ﭯmdi_file_restore
mdi_file_send
פּmdi_file_tree
mdi_file_video
mdi_file_word
mdi_file_word_box
mdi_file_xml
mdi_film
mdi_filmstrip
mdi_filmstrip_off
mdi_filter
mdi_filter_outline
mdi_filter_remove
mdi_filter_remove_outline
mdi_filter_variant
ﴝmdi_finance
﯒mdi_find_replace
mdi_fingerprint
mdi_fire
mdi_firefox
mdi_fish
mdi_flag
mdi_flag_checkered
mdi_flag_outline
mdi_flag_triangle
mdi_flag_variant
mdi_flag_variant_outline
mdi_flash
mdi_flash_auto
ﴞmdi_flash_circle
mdi_flash_off
ﯓmdi_flash_outline
ﭹmdi_flash_red_eye
mdi_flashlight
mdi_flashlight_off
mdi_flask
mdi_flask_empty
mdi_flask_empty_outline
mdi_flask_outline
mdi_flattr
mdi_flip_to_back
mdi_flip_to_front
ﴟmdi_floor_plan
mdi_floppy
mdi_flower
mdi_folder
mdi_folder_account
mdi_folder_download
mdi_folder_google_drive
mdi_folder_image
mdi_folder_lock
mdi_folder_lock_open
mdi_folder_move
mdi_folder_multiple
mdi_folder_multiple_image
mdi_folder_multiple_outline
ﱮmdi_folder_open
mdi_folder_outline
mdi_folder_plus
mdi_folder_remove
ﮛmdi_folder_star
mdi_folder_upload
mdi_font_awesome
mdi_food
mdi_food_apple
ﳆmdi_food_croissant
﫱mdi_food_fork_drink
﫲mdi_food_off
mdi_food_variant
mdi_football
mdi_football_australian
mdi_football_helmet
ﳇmdi_forklift
ﱑmdi_format_align_bottom
mdi_format_align_center
mdi_format_align_justify
mdi_format_align_left
ﱒmdi_format_align_middle
mdi_format_align_right
ﱓmdi_format_align_top
﭅mdi_format_annotation_plus
mdi_format_bold
mdi_format_clear
mdi_format_color_fill
ﮜmdi_format_color_text
mdi_format_float_center
mdi_format_float_left
mdi_format_float_none
mdi_format_float_right
ﯔmdi_format_font
mdi_format_header_1
mdi_format_header_2
mdi_format_header_3
mdi_format_header_4
mdi_format_header_5
mdi_format_header_6
mdi_format_header_decrease
mdi_format_header_equal
mdi_format_header_increase
mdi_format_header_pound
יִmdi_format_horizontal_align_center
ﬞmdi_format_horizontal_align_left
ײַmdi_format_horizontal_align_right
mdi_format_indent_decrease
mdi_format_indent_increase
mdi_format_italic
mdi_format_line_spacing
難mdi_format_line_style
靖mdi_format_line_weight
mdi_format_list_bulleted
mdi_format_list_bulleted_type
ﱔmdi_format_list_checks
mdi_format_list_numbers
ﯕmdi_format_page_break
mdi_format_paint
mdi_format_paragraph
ﯖmdi_format_pilcrow
mdi_format_quote_close
ﱕmdi_format_quote_open
ﮨmdi_format_rotate_90
ﮝmdi_format_section
mdi_format_size
mdi_format_strikethrough
mdi_format_strikethrough_variant
mdi_format_subscript
mdi_format_superscript
mdi_format_text
mdi_format_textdirection_l_to_r
mdi_format_textdirection_r_to_l
﫳mdi_format_title
mdi_format_underline
ﬠmdi_format_vertical_align_bottom
ﬡmdi_format_vertical_align_center
ﬢmdi_format_vertical_align_top
mdi_format_wrap_inline
mdi_format_wrap_square
mdi_format_wrap_tight
mdi_format_wrap_top_bottom
mdi_forum
ﴠmdi_forum_outline
mdi_forward
mdi_foursquare
mdi_fridge
mdi_fridge_filled
mdi_fridge_filled_bottom
mdi_fridge_filled_top
ﳈmdi_fuel
mdi_fullscreen
mdi_fullscreen_exit
mdi_function
mdi_gamepad
mdi_gamepad_variant
ﯗmdi_garage
ﯘmdi_garage_open
צּmdi_gas_cylinder
mdi_gas_station
mdi_gate
mdi_gauge
mdi_gavel
mdi_gender_female
mdi_gender_male
mdi_gender_male_female
mdi_gender_transgender
ﳉmdi_gesture
ﰺmdi_gesture_double_tap
ﰻmdi_gesture_swipe_down
ﰼmdi_gesture_swipe_left
ﰽmdi_gesture_swipe_right
ﰾmdi_gesture_swipe_up
ﰿmdi_gesture_tap
ﱀmdi_gesture_two_double_tap
ﱁmdi_gesture_two_tap
mdi_ghost
mdi_gift
mdi_git
mdi_github_box
mdi_github_circle
ﯙmdi_github_face
mdi_glass_flute
mdi_glass_mug
mdi_glass_stange
mdi_glass_tulip
mdi_glassdoor
mdi_glasses
mdi_gmail
mdi_gnome
ﴡmdi_golf
ﮄmdi_gondola
mdi_google
ﳊmdi_google_analytics
ﳋmdi_google_assistant
mdi_google_cardboard
mdi_google_chrome
mdi_google_circles
mdi_google_circles_communities
mdi_google_circles_extended
mdi_google_circles_group
mdi_google_controller
mdi_google_controller_off
mdi_google_drive
mdi_google_earth
mdi_google_glass
ﴢmdi_google_home
ﯚmdi_google_keep
﫴mdi_google_maps
mdi_google_nearby
mdi_google_pages
ﯛmdi_google_photos
mdi_google_physical_web
mdi_google_play
mdi_google_plus
mdi_google_plus_box
mdi_google_translate
mdi_google_wallet
ﮞmdi_gradient
קּmdi_grease_pencil
mdi_grid
ﱖmdi_grid_large
mdi_grid_off
mdi_group
ﱯmdi_guitar_acoustic
mdi_guitar_electric
mdi_guitar_pick
mdi_guitar_pick_outline
ﴣmdi_guy_fawkes_mask
ﬣmdi_hackernews
ﮃmdi_hamburger
mdi_hand_pointing_right
mdi_hanger
mdi_hangouts
mdi_harddisk
mdi_headphones
mdi_headphones_box
ﳌmdi_headphones_off
mdi_headphones_settings
mdi_headset
mdi_headset_dock
mdi_headset_off
mdi_heart
mdi_heart_box
mdi_heart_box_outline
mdi_heart_broken
ﯝmdi_heart_half
ﯜmdi_heart_half_full
ﯞmdi_heart_half_outline
ﱗmdi_heart_off
mdi_heart_outline
﫵mdi_heart_pulse
mdi_help
ﲉmdi_help_box
mdi_help_circle
ﬤmdi_help_circle_outline
ﯳmdi_help_network
mdi_hexagon
ﯟmdi_hexagon_multiple
mdi_hexagon_outline
ﳍmdi_high_definition
﫶mdi_highway
mdi_history
mdi_hololens
mdi_home
ﴤmdi_home_account
ﳎmdi_home_assistant
ﳏmdi_home_automation
ﳐmdi_home_circle
ﴥmdi_home_heart
﫷mdi_home_map_marker
mdi_home_modern
ﮟmdi_home_outline
mdi_home_variant
ﯠmdi_hook
ﯡmdi_hook_off
mdi_hops
mdi_hospital
mdi_hospital_building
mdi_hospital_marker
ﴦmdi_hot_tub
mdi_hotel
mdi_houzz
mdi_houzz_box
ﴧmdi_hulu
mdi_human
mdi_human_child
רּmdi_human_female
שּmdi_human_greeting
תּmdi_human_handsdown
וֹmdi_human_handsup
בֿmdi_human_male
mdi_human_male_female
龜mdi_human_pregnant
ﱂmdi_humble_bundle
ﴨmdi_ice_cream
mdi_image
mdi_image_album
mdi_image_area
mdi_image_area_close
mdi_image_broken
mdi_image_broken_variant
mdi_image_filter
mdi_image_filter_black_white
mdi_image_filter_center_focus
mdi_image_filter_center_focus_weak
mdi_image_filter_drama
mdi_image_filter_frames
mdi_image_filter_hdr
mdi_image_filter_none
mdi_image_filter_tilt_shift
mdi_image_filter_vintage
mdi_image_multiple
ﴩmdi_image_off
mdi_import
ﮅmdi_inbox
mdi_inbox_arrow_down
mdi_inbox_arrow_up
﫸mdi_incognito
ﯢmdi_infinity
mdi_information
mdi_information_outline
כֿmdi_information_variant
mdi_instagram
mdi_instapaper
mdi_internet_explorer
mdi_invert_colors
ﭵmdi_itunes
mdi_jeepney
mdi_jira
mdi_jsfiddle
ﬥmdi_json
ﴪmdi_karate
mdi_keg
﫹mdi_kettle
mdi_key
mdi_key_change
mdi_key_minus
mdi_key_plus
mdi_key_remove
mdi_key_variant
mdi_keyboard
mdi_keyboard_backspace
mdi_keyboard_caps
mdi_keyboard_close
mdi_keyboard_off
mdi_keyboard_return
mdi_keyboard_tab
mdi_keyboard_variant
ﱃmdi_kickstarter
mdi_kodi
mdi_label
mdi_label_outline
ﴫmdi_ladybug
ﬦmdi_lambda
﮳mdi_lamp
mdi_lan
mdi_lan_connect
mdi_lan_disconnect
mdi_lan_pending
ﭰmdi_language_c
ﭱmdi_language_cpp
mdi_language_csharp
mdi_language_css3
ﳑmdi_language_go
mdi_language_html5
mdi_language_javascript
mdi_language_php
mdi_language_python
mdi_language_python_text
ﳒmdi_language_r
ﯣmdi_language_swift
ﯤmdi_language_typescript
mdi_laptop
mdi_laptop_chromebook
mdi_laptop_mac
ﯥmdi_laptop_off
mdi_laptop_windows
mdi_lastfm
聾mdi_lastpass
mdi_launch
ﳓmdi_lava_lamp
mdi_layers
mdi_layers_off
פֿmdi_lead_pencil
mdi_leaf
mdi_led_off
mdi_led_on
mdi_led_outline
ﳔmdi_led_strip
mdi_led_variant_off
mdi_led_variant_on
mdi_led_variant_outline
mdi_library
mdi_library_books
mdi_library_music
mdi_library_plus
mdi_lightbulb
ﯦmdi_lightbulb_on
ﯧmdi_lightbulb_on_outline
mdi_lightbulb_outline
mdi_link
mdi_link_off
mdi_link_variant
mdi_link_variant_off
mdi_linkedin
mdi_linkedin_box
mdi_linux
ﱰmdi_loading
mdi_lock
mdi_lock_open
mdi_lock_open_outline
mdi_lock_outline
ﯨmdi_lock_pattern
﫺mdi_lock_plus
ﱱmdi_lock_reset
ﳕmdi_locker
ﳖmdi_locker_multiple
mdi_login
﫻mdi_login_variant
mdi_logout
﫼mdi_logout_variant
mdi_looks
ﯩmdi_loop
mdi_loupe
mdi_lumx
mdi_magnet
mdi_magnet_on
mdi_magnify
mdi_magnify_minus
ﯪmdi_magnify_minus_outline
mdi_magnify_plus
ﯫmdi_magnify_plus_outline
mdi_mail_ru
ﯬmdi_mailbox
mdi_map
mdi_map_marker
mdi_map_marker_circle
ﭏmdi_map_marker_minus
mdi_map_marker_multiple
mdi_map_marker_off
ﳗmdi_map_marker_outline
ﭐmdi_map_marker_plus
mdi_map_marker_radius
mdi_margin
mdi_markdown
ﭑmdi_marker
mdi_marker_check
mdi_martini
mdi_material_ui
mdi_math_compass
ﬧmdi_matrix
mdi_maxcdn
ﯭmdi_medical_bag
mdi_medium
mdi_memory
mdi_menu
mdi_menu_down
﮴mdi_menu_down_outline
mdi_menu_left
mdi_menu_right
mdi_menu_up
﮵mdi_menu_up_outline
mdi_message
mdi_message_alert
ﮠmdi_message_bulleted
ﮡmdi_message_bulleted_off
mdi_message_draw
mdi_message_image
mdi_message_outline
ﭒmdi_message_plus
mdi_message_processing
mdi_message_reply
mdi_message_reply_text
ﯮmdi_message_settings
ﯯmdi_message_settings_variant
mdi_message_text
mdi_message_text_outline
mdi_message_video
ﬨmdi_meteor
ﳘmdi_metronome
ﳙmdi_metronome_tick
ﳚmdi_micro_sd
mdi_microphone
mdi_microphone_off
mdi_microphone_outline
mdi_microphone_settings
mdi_microphone_variant
mdi_microphone_variant_off
ﭓmdi_microscope
mdi_microsoft
mdi_minecraft
mdi_minus
mdi_minus_box
ﯰmdi_minus_box_outline
mdi_minus_circle
mdi_minus_circle_outline
mdi_minus_network
﬩mdi_mixcloud
ﳛmdi_mixer
mdi_monitor
mdi_monitor_multiple
mdi_more
mdi_motorbike
mdi_mouse
mdi_mouse_off
mdi_mouse_variant
mdi_mouse_variant_off
ﭔmdi_move_resize
ﭕmdi_move_resize_variant
mdi_movie
ﳜmdi_movie_roll
mdi_multiplication
mdi_multiplication_box
ﳝmdi_mushroom
ﳞmdi_mushroom_outline
ﱘmdi_music
mdi_music_box
mdi_music_box_outline
mdi_music_circle
mdi_music_note
﫽mdi_music_note_bluetooth
﫾mdi_music_note_bluetooth_off
mdi_music_note_eighth
mdi_music_note_half
mdi_music_note_off
mdi_music_note_quarter
mdi_music_note_sixteenth
mdi_music_note_whole
ﱙmdi_music_off
mdi_nature
mdi_nature_people
mdi_navigation
頻mdi_near_me
mdi_needle
mdi_nest_protect
mdi_nest_thermostat
ﱄmdi_netflix
ﯱmdi_network
mdi_new_box
mdi_newspaper
mdi_nfc
mdi_nfc_tap
mdi_nfc_variant
ﱲmdi_ninja
ﳟmdi_nintendo_switch
mdi_nodejs
mdi_note
﮶mdi_note_multiple
﮷mdi_note_multiple_outline
mdi_note_outline
mdi_note_plus
mdi_note_plus_outline
mdi_note_text
ﴬmdi_notebook
mdi_notification_clear_all
ﯵmdi_npm
ﮢmdi_nuke
ﳠmdi_null
mdi_numeric
mdi_numeric_0_box
mdi_numeric_0_box_multiple_outline
mdi_numeric_0_box_outline
mdi_numeric_1_box
mdi_numeric_1_box_multiple_outline
mdi_numeric_1_box_outline
mdi_numeric_2_box
mdi_numeric_2_box_multiple_outline
mdi_numeric_2_box_outline
mdi_numeric_3_box
mdi_numeric_3_box_multiple_outline
mdi_numeric_3_box_outline
mdi_numeric_4_box
mdi_numeric_4_box_multiple_outline
mdi_numeric_4_box_outline
mdi_numeric_5_box
mdi_numeric_5_box_multiple_outline
mdi_numeric_5_box_outline
mdi_numeric_6_box
mdi_numeric_6_box_multiple_outline
mdi_numeric_6_box_outline
mdi_numeric_7_box
mdi_numeric_7_box_multiple_outline
mdi_numeric_7_box_outline
mdi_numeric_8_box
mdi_numeric_8_box_multiple_outline
mdi_numeric_8_box_outline
mdi_numeric_9_box
mdi_numeric_9_box_multiple_outline
mdi_numeric_9_box_outline
mdi_numeric_9_plus_box
mdi_numeric_9_plus_box_multiple_outline
mdi_numeric_9_plus_box_outline
ﯶmdi_nut
mdi_nutrition
ﭺmdi_oar
mdi_octagon
mdi_octagon_outline
ﯷmdi_octagram
ﱳmdi_octagram_outline
mdi_odnoklassniki
mdi_office
mdi_oil
mdi_oil_temperature
mdi_omega
mdi_onedrive
ﱅmdi_onenote
頋mdi_opacity
mdi_open_in_app
mdi_open_in_new
mdi_openid
mdi_opera
mdi_orbit
mdi_ornament
mdi_ornament_variant
mdi_owl
mdi_package
mdi_package_down
mdi_package_up
mdi_package_variant
mdi_package_variant_closed
﫿mdi_page_first
ffmdi_page_last
ﯸmdi_page_layout_body
ﯹmdi_page_layout_footer
ﯺmdi_page_layout_header
ﯻmdi_page_layout_sidebar_left
ﯼmdi_page_layout_sidebar_right
mdi_palette
mdi_palette_advanced
mdi_panda
mdi_pandora
mdi_panorama
mdi_panorama_fisheye
mdi_panorama_horizontal
mdi_panorama_vertical
mdi_panorama_wide_angle
mdi_paper_cut_vertical
mdi_paperclip
mdi_parking
ﳡmdi_passport
mdi_pause
mdi_pause_circle
mdi_pause_circle_outline
mdi_pause_octagon
mdi_pause_octagon_outline
mdi_paw
ﭖmdi_paw_off
mdi_pen
mdi_pencil
mdi_pencil_box
mdi_pencil_box_outline
ﯽmdi_pencil_circle
ﱴmdi_pencil_circle_outline
mdi_pencil_lock
mdi_pencil_off
ﯾmdi_pentagon
ﯿmdi_pentagon_outline
mdi_percent
ﳢmdi_periodic_table_co2
ﱆmdi_periscope
mdi_pharmacy
mdi_phone
mdi_phone_bluetooth
fimdi_phone_classic
mdi_phone_forward
mdi_phone_hangup
mdi_phone_in_talk
mdi_phone_incoming
mdi_phone_locked
mdi_phone_log
ﭗmdi_phone_minus
mdi_phone_missed
mdi_phone_outgoing
mdi_phone_paused
ﭘmdi_phone_plus
ﴭmdi_phone_return
mdi_phone_settings
mdi_phone_voip
mdi_pi
mdi_pi_box
ﭻmdi_piano
豈mdi_pig
更mdi_pill
ﰀmdi_pillar
車mdi_pin
賈mdi_pin_off
滑mdi_pine_tree
串mdi_pine_tree_box
句mdi_pinterest
龜mdi_pinterest_box
ﳣmdi_pipe
ﳤmdi_pipe_disconnected
ﰁmdi_pistol
龜mdi_pizza
﮹mdi_plane_shield
契mdi_play
金mdi_play_box_outline
喇mdi_play_circle
奈mdi_play_circle_outline
懶mdi_play_pause
癩mdi_play_protected_content
陼mdi_playlist_check
羅mdi_playlist_minus
蘿mdi_playlist_play
螺mdi_playlist_plus
裸mdi_playlist_remove
邏mdi_playstation
﮸mdi_plex
樂mdi_plus
洛mdi_plus_box
ﰂmdi_plus_box_outline
烙mdi_plus_circle
珞mdi_plus_circle_multiple_outline
落mdi_plus_circle_outline
酪mdi_plus_network
駱mdi_plus_one
ﰃmdi_plus_outline
亂mdi_pocket
卵mdi_pokeball
ﴮmdi_poker_chip
欄mdi_polaroid
爛mdi_poll
蘭mdi_poll_box
鸞mdi_polymer
ſtmdi_pool
嵐mdi_popcorn
ﭙmdi_pot
ﭚmdi_pot_mix
濫mdi_pound
藍mdi_pound_box
襤mdi_power
ﮣmdi_power_plug
ﮤmdi_power_plug_off
拉mdi_power_settings
臘mdi_power_socket
ﳥmdi_power_socket_eu
ﳦmdi_power_socket_uk
ﳧmdi_power_socket_us
ﰄmdi_prescription
蠟mdi_presentation
廊mdi_presentation_play
朗mdi_printer
浪mdi_printer_3d
狼mdi_printer_alert
ﰅmdi_printer_settings
flmdi_priority_high
ffimdi_priority_low
郎mdi_professional_hexagon
來mdi_projector
冷mdi_projector_screen
ﮥmdi_publish
勞mdi_pulse
擄mdi_puzzle
fflmdi_qqchat
櫓mdi_qrcode
爐mdi_qrcode_scan
盧mdi_quadcopter
老mdi_quality_high
蘆mdi_quicktime
虜mdi_radar
路mdi_radiator
露mdi_radio
魯mdi_radio_handheld
鷺mdi_radio_tower
碌mdi_radioactive
祿mdi_radiobox_blank
綠mdi_radiobox_marked
菉mdi_raspberrypi
錄mdi_ray_end
鹿mdi_ray_end_arrow
論mdi_ray_start
壟mdi_ray_start_arrow
弄mdi_ray_start_end
籠mdi_ray_vertex
ﰆmdi_react
牢mdi_read
賂mdi_receipt
雷mdi_record
壘mdi_record_rec
屢mdi_recycle
樓mdi_reddit
淚mdi_redo
漏mdi_redo_variant
累mdi_refresh
縷mdi_regex
陋mdi_relative_scale
勒mdi_reload
肋mdi_remote
凜mdi_rename_box
ﮆmdi_reorder_horizontal
ﮇmdi_reorder_vertical
凌mdi_repeat
稜mdi_repeat_off
綾mdi_repeat_once
菱mdi_replay
陵mdi_reply
讀mdi_reply_all
拏mdi_reproduction
樂mdi_resize_bottom_right
諾mdi_responsive
ﰇmdi_restart
ﮦmdi_restore
丹mdi_rewind
ﰈmdi_rewind_outline
ﰉmdi_rhombus
ﰊmdi_rhombus_outline
寧mdi_ribbon
ﳨmdi_rice
ﳩmdi_ring
怒mdi_road
率mdi_road_variant
ﮧmdi_robot
異mdi_rocket
ﰋmdi_roomba
北mdi_rotate_3d
磻mdi_rotate_left
便mdi_rotate_left_variant
復mdi_rotate_right
不mdi_rotate_right_variant
stmdi_rounded_corner
泌mdi_router_wireless
數mdi_routes
﬇mdi_rowing
索mdi_rss
參mdi_rss_box
塞mdi_ruler
ﰌmdi_run
省mdi_run_fast
葉mdi_sale
ﳪmdi_sass
說mdi_satellite
殺mdi_satellite_variant
﬈mdi_saxophone
辰mdi_scale
𢡄mdi_scale_balance
沈mdi_scale_bathroom
ﮩmdi_scanner
拾mdi_school
若mdi_screen_rotation
掠mdi_screen_rotation_lock
略mdi_screwdriver
亮mdi_script
兩mdi_sd
凉mdi_seal
ﰍmdi_search_web
梁mdi_seat_flat
糧mdi_seat_flat_angled
良mdi_seat_individual_suite
諒mdi_seat_legroom_extra
量mdi_seat_legroom_normal
勵mdi_seat_legroom_reduced
呂mdi_seat_recline_extra
女mdi_seat_recline_normal
廬mdi_security
ﮈmdi_security_home
旅mdi_security_network
濾mdi_select
礪mdi_select_all
閭mdi_select_inverse
驪mdi_select_off
麗mdi_selection
ﱵmdi_selection_off
黎mdi_send
ﳫmdi_send_secure
ﭛmdi_serial_port
力mdi_server
曆mdi_server_minus
歷mdi_server_network
轢mdi_server_network_off
年mdi_server_off
憐mdi_server_plus
戀mdi_server_remove
撚mdi_server_security
ﱶmdi_set_all
ﱷmdi_set_center
ﱸmdi_set_center_right
ﱹmdi_set_left
ﱺmdi_set_left_center
ﱻmdi_set_left_right
ﱼmdi_set_none
ﱽmdi_set_right
漣mdi_settings
煉mdi_settings_box
ﴯmdi_shape
ﭜmdi_shape_circle_plus
ﴰmdi_shape_outline
璉mdi_shape_plus
ﭝmdi_shape_polygon_plus
ﭞmdi_shape_rectangle_plus
ﭟmdi_shape_square_plus
秊mdi_share
練mdi_share_variant
聯mdi_shield
ﱾmdi_shield_half_full
輦mdi_shield_outline
ﴱmdi_ship_wheel
蓮mdi_shopping
連mdi_shopping_music
ﰎmdi_shovel
ﰏmdi_shovel_off
鍊mdi_shredder
列mdi_shuffle
劣mdi_shuffle_disabled
咽mdi_shuffle_variant
烈mdi_sigma
שׁmdi_sigma_lower
裂mdi_sign_caution
ﱿmdi_sign_direction
ﲀmdi_sign_text
說mdi_signal
ﰐmdi_signal_2g
ﰑmdi_signal_3g
ﰒmdi_signal_4g
ﰓmdi_signal_hspa
ﰔmdi_signal_hspa_plus
ﲁmdi_signal_off
﬉mdi_signal_variant
廉mdi_silverware
念mdi_silverware_fork
捻mdi_silverware_spoon
殮mdi_silverware_variant
簾mdi_sim
獵mdi_sim_alert
令mdi_sim_off
囹mdi_sitemap
寧mdi_skip_backward
嶺mdi_skip_forward
怜mdi_skip_next
ﭠmdi_skip_next_circle
ﭡmdi_skip_next_circle_outline
玲mdi_skip_previous
ﭢmdi_skip_previous_circle
ﭣmdi_skip_previous_circle_outline
ﮊmdi_skull
瑩mdi_skype
羚mdi_skype_business
聆mdi_slack
鈴mdi_sleep
零mdi_sleep_off
靈mdi_smoking
領mdi_smoking_off
例mdi_snapchat
ﰕmdi_snowflake
禮mdi_snowman
醴mdi_soccer
ﴲmdi_soccer_field
隸mdi_sofa
ﮋmdi_solid
惡mdi_sort
了mdi_sort_alphabetical
僚mdi_sort_ascending
寮mdi_sort_descending
尿mdi_sort_numeric
料mdi_sort_variant
樂mdi_soundcloud
שׂmdi_source_branch
ﰖmdi_source_commit
ﰗmdi_source_commit_end
ﰘmdi_source_commit_end_local
ﰙmdi_source_commit_local
ﰚmdi_source_commit_next_local
ﰛmdi_source_commit_start
ﰜmdi_source_commit_start_next_local
燎mdi_source_fork
שּׁmdi_source_merge
療mdi_source_pull
ﳬmdi_soy_sauce
蓼mdi_speaker
遼mdi_speaker_off
ﰝmdi_speaker_wireless
龍mdi_speedometer
暈mdi_spellcheck
阮mdi_spotify
劉mdi_spotlight
杻mdi_spotlight_beam
ﭤmdi_spray
ﱢmdi_square
柳mdi_square_inc
流mdi_square_inc_cash
ﱡmdi_square_outline
ﲂmdi_square_root
溜mdi_stack_overflow
﬊mdi_stackexchange
ﰞmdi_stadium
琉mdi_stairs
ﳭmdi_standard_definition
留mdi_star
硫mdi_star_circle
紐mdi_star_half
類mdi_star_off
六mdi_star_outline
戮mdi_steam
陸mdi_steering
倫mdi_step_backward
崙mdi_step_backward_2
淪mdi_step_forward
輪mdi_step_forward_2
律mdi_stethoscope
𢡊mdi_sticker
ﲃmdi_sticker_emoji
慄mdi_stocking
栗mdi_stop
ﭥmdi_stop_circle
ﭦmdi_stop_circle_outline
率mdi_store
隆mdi_store_24_hour
利mdi_stove
﬋mdi_subdirectory_arrow_left
﬌mdi_subdirectory_arrow_right
ﮪmdi_subway
吏mdi_subway_variant
ﲄmdi_summit
履mdi_sunglasses
醙mdi_surround_sound
ﳮmdi_surround_sound_2_0
ﳯmdi_surround_sound_3_1
ﳰmdi_surround_sound_5_1
ﳱmdi_surround_sound_7_1
ﰟmdi_svg
易mdi_swap_horizontal
李mdi_swap_vertical
梨mdi_swim
泥mdi_switch
理mdi_sword
ﲅmdi_sword_cross
痢mdi_sync
罹mdi_sync_alert
裏mdi_sync_off
裡mdi_tab
ﱚmdi_tab_plus
里mdi_tab_unselected
離mdi_table
ﴳmdi_table_column
匿mdi_table_column_plus_after
溺mdi_table_column_plus_before
吝mdi_table_column_remove
燐mdi_table_column_width
璘mdi_table_edit
藺mdi_table_large
ﴴmdi_table_of_contents
ﴵmdi_table_row
隣mdi_table_row_height
鱗mdi_table_row_plus_after
麟mdi_table_row_plus_before
林mdi_table_row_remove
ﴶmdi_table_settings
淋mdi_tablet
臨mdi_tablet_android
立mdi_tablet_ipad
ﱠmdi_taco
笠mdi_tag
粒mdi_tag_faces
ﮉmdi_tag_heart
狀mdi_tag_multiple
炙mdi_tag_outline
ﰠmdi_tag_plus
ﰡmdi_tag_remove
識mdi_tag_text_outline
什mdi_target
茶mdi_taxi
刺mdi_teamviewer
切mdi_telegram
度mdi_television
ﴷmdi_television_box
ﳲmdi_television_classic
ﴸmdi_television_classic_off
拓mdi_television_guide
ﴹmdi_television_off
糖mdi_temperature_celsius
宅mdi_temperature_fahrenheit
洞mdi_temperature_kelvin
暴mdi_tennis
輻mdi_tent
行mdi_terrain
ﭧmdi_test_tube
ﭨmdi_text_shadow
降mdi_text_to_speech
見mdi_text_to_speech_off
﬍mdi_textbox
ﳳmdi_textbox_password
廓mdi_texture
兀mdi_theater
嗀mdi_theme_light_dark
﨎mdi_thermometer
﨏mdi_thermometer_lines
ﳴmdi_thought_bubble
ﳵmdi_thought_bubble_outline
塚mdi_thumb_down
﨑mdi_thumb_down_outline
晴mdi_thumb_up
﨓mdi_thumb_up_outline
﨔mdi_thumbs_up_down
凞mdi_ticket
猪mdi_ticket_account
益mdi_ticket_confirmation
ﰢmdi_ticket_percent
礼mdi_tie
ﰣmdi_tilde
神mdi_timelapse
祥mdi_timer
靖mdi_timer_3
福mdi_timer_10
精mdi_timer_off
羽mdi_timer_sand
ﮫmdi_timer_sand_empty
ﲊmdi_timer_sand_full
﨟mdi_timetable
蘒mdi_toggle_switch
﨡mdi_toggle_switch_off
諸mdi_tooltip
﨣mdi_tooltip_edit
﨤mdi_tooltip_image
逸mdi_tooltip_outline
都mdi_tooltip_outline_plus
﨧mdi_tooltip_text
﨨mdi_tooth
﨩mdi_tor
ﭿmdi_tower_beach
ﮀmdi_tower_fire
ﴺmdi_towing
ﳶmdi_trackpad
飯mdi_traffic_light
飼mdi_train
館mdi_tram
鶴mdi_transcribe
郞mdi_transcribe_close
隷mdi_transfer
ﮬmdi_transit_transfer
韛mdi_translate
ﰤmdi_treasure_chest
侮mdi_tree
僧mdi_trello
免mdi_trending_down
勉mdi_trending_neutral
勤mdi_trending_up
卑mdi_triangle
喝mdi_triangle_outline
嘆mdi_trophy
器mdi_trophy_award
塀mdi_trophy_outline
墨mdi_trophy_variant
層mdi_trophy_variant_outline
屮mdi_truck
悔mdi_truck_delivery
ﲆmdi_truck_fast
ﰥmdi_truck_trailer
慨mdi_tshirt_crew
憎mdi_tshirt_v
懲mdi_tumblr
敏mdi_tumblr_reblog
שּׂmdi_tune
ﭩmdi_tune_vertical
既mdi_twitch
暑mdi_twitter
梅mdi_twitter_box
海mdi_twitter_circle
渚mdi_twitter_retweet
ﱇmdi_uber
漢mdi_ubuntu
ﳷmdi_ultra_high_definition
煮mdi_umbraco
爫mdi_umbrella
琢mdi_umbrella_outline
碑mdi_undo
社mdi_undo_variant
祉mdi_unfold_less_horizontal
ﱞmdi_unfold_less_vertical
祈mdi_unfold_more_horizontal
ﱟmdi_unfold_more_vertical
祐mdi_ungroup
ﮭmdi_unity
祖mdi_untappd
ﮮmdi_update
祝mdi_upload
ﴻmdi_upload_multiple
ﯴmdi_upload_network
禍mdi_usb
ﳸmdi_van_passenger
ﳹmdi_van_utility
ﳺmdi_vanish
禎mdi_vector_arrange_above
穀mdi_vector_arrange_below
突mdi_vector_circle
節mdi_vector_circle_variant
練mdi_vector_combine
縉mdi_vector_curve
繁mdi_vector_difference
署mdi_vector_difference_ab
者mdi_vector_difference_ba
臭mdi_vector_intersection
艹mdi_vector_line
艹mdi_vector_point
著mdi_vector_polygon
褐mdi_vector_polyline
ﱈmdi_vector_radius
鉶mdi_vector_rectangle
視mdi_vector_selection
mdi_vector_square
謁mdi_vector_triangle
謹mdi_vector_union
勺mdi_venmo
賓mdi_verified
贈mdi_vibrate
辶mdi_video
ﳻmdi_video_3d
ﴼmdi_video_4k_box
ﴽmdi_video_input_antenna
﴾mdi_video_input_component
﴿mdi_video_input_hdmi
﵀mdi_video_input_svideo
逸mdi_video_off
難mdi_video_switch
響mdi_view_agenda
頻mdi_view_array
恵mdi_view_carousel
𤋮mdi_view_column
舘mdi_view_dashboard
﵁mdi_view_dashboard_variant
﩮mdi_view_day
﩯mdi_view_grid
並mdi_view_headline
况mdi_view_list
全mdi_view_module
ﰦmdi_view_parallel
侀mdi_view_quilt
ﰧmdi_view_sequential
充mdi_view_stream
冀mdi_view_week
勇mdi_vimeo
﬎mdi_violin
﬏mdi_visualstudio
喝mdi_vk
啕mdi_vk_box
喙mdi_vk_circle
嗢mdi_vlc
響mdi_voice
塚mdi_voicemail
墳mdi_volume_high
奄mdi_volume_low
奔mdi_volume_medium
ﱜmdi_volume_minus
ﱝmdi_volume_mute
婢mdi_volume_off
ﱛmdi_volume_plus
嬨mdi_vpn
﵂mdi_vuejs
廒mdi_walk
ﳼmdi_wall
廙mdi_wallet
彩mdi_wallet_giftcard
徭mdi_wallet_membership
惘mdi_wallet_travel
慎mdi_wan
ﰨmdi_washing_machine
愈mdi_watch
憎mdi_watch_export
慠mdi_watch_import
ﮯmdi_watch_vibrate
懲mdi_water
戴mdi_water_off
揄mdi_water_percent
搜mdi_water_pump
﬑mdi_watermark
ﲋmdi_waves
摒mdi_weather_cloudy
敖mdi_weather_fog
晴mdi_weather_hail
朗mdi_weather_lightning
ﭼmdi_weather_lightning_rainy
望mdi_weather_night
杖mdi_weather_partlycloudy
歹mdi_weather_pouring
殺mdi_weather_rainy
流mdi_weather_snowy
ﭽmdi_weather_snowy_rainy
滛mdi_weather_sunny
滋mdi_weather_sunset
漢mdi_weather_sunset_down
瀞mdi_weather_sunset_up
煮mdi_weather_windy
瞧mdi_weather_windy_variant
爵mdi_web
犯mdi_webcam
אַmdi_webhook
ﰩmdi_webpack
﬐mdi_wechat
猪mdi_weight
瑱mdi_weight_kilogram
甆mdi_whatsapp
画mdi_wheelchair_accessibility
瘝mdi_white_balance_auto
瘟mdi_white_balance_incandescent
益mdi_white_balance_iridescent
盛mdi_white_balance_sunny
ﰪmdi_widgets
直mdi_wifi
睊mdi_wifi_off
着mdi_wii
ﰫmdi_wiiu
磌mdi_wikipedia
窱mdi_window_close
節mdi_window_closed
类mdi_window_maximize
絛mdi_window_minimize
練mdi_window_open
缾mdi_window_restore
者mdi_windows
荒mdi_wordpress
華mdi_worker
蝹mdi_wrap
襁mdi_wrench
覆mdi_wunderlist
﵃mdi_xamarin
﵄mdi_xamarin_outline
ﭲmdi_xaml
視mdi_xbox
調mdi_xbox_controller
ﱉmdi_xbox_controller_battery_alert
ﱊmdi_xbox_controller_battery_empty
ﱋmdi_xbox_controller_battery_full
ﱌmdi_xbox_controller_battery_low
ﱍmdi_xbox_controller_battery_medium
ﱎmdi_xbox_controller_battery_unknown
諸mdi_xbox_controller_off
請mdi_xda
謁mdi_xing
諾mdi_xing_box
諭mdi_xing_circle
謹mdi_xml
ﳽmdi_xmpp
ﲇmdi_yammer
變mdi_yeast
贈mdi_yelp
ﭾmdi_yin_yang
﵅mdi_youtube_creator_studio
﵆mdi_youtube_gaming
輸mdi_youtube_play
磊mdi_youtube_tv
遲mdi_zip_box
oct_alert
oct_arrow_down
oct_arrow_left
oct_arrow_right
oct_arrow_small_down
oct_arrow_small_left
oct_arrow_small_right
oct_arrow_small_up
oct_arrow_up
oct_beaker
oct_bell
oct_bold
oct_book
oct_bookmark
oct_briefcase
oct_broadcast
oct_browser
oct_bug
oct_calendar
oct_check
oct_checklist
oct_chevron_down
oct_chevron_left
oct_chevron_right
oct_chevron_up
oct_circle_slash
oct_circuit_board
oct_clippy
oct_clock
oct_cloud_download
oct_cloud_upload
oct_code
oct_comment
oct_comment_discussion
oct_credit_card
oct_dash
oct_dashboard
oct_database
oct_desktop_download
oct_device_camera
oct_device_camera_video
oct_device_desktop
oct_device_mobile
oct_diff
oct_diff_added
oct_diff_ignored
oct_diff_modified
oct_diff_removed
oct_diff_renamed
oct_ellipses
oct_ellipsis
oct_eye
oct_file
oct_file_binary
oct_file_code
oct_file_directory
oct_file_media
oct_file_pdf
oct_file_submodule
oct_file_symlink_directory
oct_file_symlink_file
oct_file_text
oct_file_zip
oct_flame
oct_fold
oct_gear
oct_gift
oct_gist
oct_gist_secret
oct_git_branch
oct_git_commit
oct_git_compare
oct_git_merge
oct_git_pull_request
oct_globe
oct_grabber
oct_graph
♥oct_heart
oct_history
oct_home
oct_horizontal_rule
oct_hubot
oct_inbox
oct_info
oct_issue_closed
oct_issue_opened
oct_issue_reopened
oct_italic
oct_jersey
oct_key
oct_keyboard
oct_law
oct_light_bulb
oct_link
oct_link_external
oct_list_ordered
oct_list_unordered
oct_location
oct_lock
oct_logo_gist
oct_logo_github
oct_mail
oct_mail_read
oct_mail_reply
oct_mark_github
oct_markdown
oct_megaphone
oct_mention
oct_milestone
oct_mirror
oct_mortar_board
oct_mute
oct_no_newline
oct_octoface
oct_organization
oct_package
oct_paintcan
oct_pencil
oct_person
oct_pin
oct_plug
oct_plus
oct_plus_small
oct_primitive_dot
oct_primitive_square
oct_pulse
oct_question
oct_quote
oct_radio_tower
oct_reply
oct_repo
oct_repo_clone
oct_repo_force_push
oct_repo_forked
oct_repo_pull
oct_repo_push
oct_rocket
oct_rss
oct_ruby
oct_search
oct_server
oct_settings
oct_shield
oct_sign_in
oct_sign_out
oct_smiley
oct_squirrel
oct_star
oct_stop
oct_sync
oct_tag
oct_tasklist
oct_telescope
oct_terminal
oct_text_size
oct_three_bars
oct_thumbsdown
oct_thumbsup
oct_tools
oct_trashcan
oct_triangle_down
oct_triangle_left
oct_triangle_right
oct_triangle_up
oct_unfold
oct_unmute
oct_unverified
oct_verified
oct_versions
oct_watch
oct_x
⚡oct_zap
pl_branch
pl_current_line
pl_hostname
pl_left_hard_divider
pl_left_soft_divider
pl_line_number
pl_readonly
pl_right_hard_divider
pl_right_soft_divider
ple_backslash_separator
ple_backslash_separator_redundant
ple_column_number
ple_current_column
ple_flame_thick
ple_flame_thick_mirrored
ple_flame_thin
ple_flame_thin_mirrored
ple_forwardslash_separator
ple_forwardslash_separator_redundant
ple_honeycomb
ple_honeycomb_outline
ple_ice_waveform
ple_ice_waveform_mirrored
ple_left_half_circle_thick
ple_left_half_circle_thin
ple_lego_block_facing
ple_lego_block_sideways
ple_lego_separator
ple_lego_separator_thin
ple_lower_left_triangle
ple_lower_right_triangle
ple_pixelated_squares_big
ple_pixelated_squares_big_mirrored
ple_pixelated_squares_small
ple_pixelated_squares_small_mirrored
ple_right_half_circle_thick
ple_right_half_circle_thin
ple_trapezoid_top_bottom
ple_trapezoid_top_bottom_mirrored
ple_upper_left_triangle
ple_upper_right_triangle
pom_away
pom_clean_code
pom_external_interruption
pom_internal_interruption
pom_long_pause
pom_pair_programming
pom_pomodoro_done
pom_pomodoro_estimated
pom_pomodoro_squashed
pom_pomodoro_ticking
pom_short_pause
seti_bower
seti_cjsx
seti_coffee
seti_config
seti_css
seti_default
seti_ejs
seti_favicon
seti_folder
seti_go
seti_grunt
seti_gulp
seti_haskell
seti_heroku
seti_home
seti_html
seti_image
seti_javascript
seti_json
seti_julia
seti_karma
seti_less
seti_license
seti_lua
seti_markdown
seti_mustache
seti_npm
seti_php
seti_play_arrow
seti_project
seti_python
seti_rails
seti_react
seti_ruby
seti_sass
seti_stylus
seti_text
seti_twig
seti_typescript
seti_xml
weather_alien
weather_aliens
weather_barometer
weather_celsius
weather_cloud
weather_cloud_down
weather_cloud_refresh
weather_cloud_up
weather_cloudy
weather_cloudy_gusts
weather_cloudy_windy
weather_day_cloudy
weather_day_cloudy_gusts
weather_day_cloudy_high
weather_day_cloudy_windy
weather_day_fog
weather_day_hail
weather_day_haze
weather_day_light_wind
weather_day_lightning
weather_day_rain
weather_day_rain_mix
weather_day_rain_wind
weather_day_showers
weather_day_sleet
weather_day_sleet_storm
weather_day_snow
weather_day_snow_thunderstorm
weather_day_snow_wind
weather_day_sprinkle
weather_day_storm_showers
weather_day_sunny
weather_day_sunny_overcast
weather_day_thunderstorm
weather_day_windy
weather_degrees
weather_direction_down
weather_direction_down_left
weather_direction_down_right
weather_direction_left
weather_direction_right
weather_direction_up
weather_direction_up_left
weather_direction_up_right
weather_dust
weather_earthquake
weather_fahrenheit
weather_fire
weather_flood
weather_fog
weather_gale_warning
weather_hail
weather_horizon
weather_horizon_alt
weather_hot
weather_humidity
weather_hurricane
weather_hurricane_warning
weather_lightning
weather_lunar_eclipse
weather_meteor
weather_moon_alt_first_quarter
weather_moon_alt_full
weather_moon_alt_new
weather_moon_alt_third_quarter
weather_moon_alt_waning_crescent_1
weather_moon_alt_waning_crescent_2
weather_moon_alt_waning_crescent_3
weather_moon_alt_waning_crescent_4
weather_moon_alt_waning_crescent_5
weather_moon_alt_waning_crescent_6
weather_moon_alt_waning_gibbous_1
weather_moon_alt_waning_gibbous_2
weather_moon_alt_waning_gibbous_3
weather_moon_alt_waning_gibbous_4
weather_moon_alt_waning_gibbous_5
weather_moon_alt_waning_gibbous_6
weather_moon_alt_waxing_crescent_1
weather_moon_alt_waxing_crescent_2
weather_moon_alt_waxing_crescent_3
weather_moon_alt_waxing_crescent_4
weather_moon_alt_waxing_crescent_5
weather_moon_alt_waxing_crescent_6
weather_moon_alt_waxing_gibbous_1
weather_moon_alt_waxing_gibbous_2
weather_moon_alt_waxing_gibbous_3
weather_moon_alt_waxing_gibbous_4
weather_moon_alt_waxing_gibbous_5
weather_moon_alt_waxing_gibbous_6
weather_moon_first_quarter
weather_moon_full
weather_moon_new
weather_moon_third_quarter
weather_moon_waning_crescent_1
weather_moon_waning_crescent_2
weather_moon_waning_crescent_3
weather_moon_waning_crescent_4
weather_moon_waning_crescent_5
weather_moon_waning_crescent_6
weather_moon_waning_gibbous_1
weather_moon_waning_gibbous_2
weather_moon_waning_gibbous_3
weather_moon_waning_gibbous_4
weather_moon_waning_gibbous_5
weather_moon_waning_gibbous_6
weather_moon_waxing_crescent_1
weather_moon_waxing_crescent_2
weather_moon_waxing_crescent_3
weather_moon_waxing_crescent_4
weather_moon_waxing_crescent_5
weather_moon_waxing_crescent_6
weather_moon_waxing_gibbous_1
weather_moon_waxing_gibbous_2
weather_moon_waxing_gibbous_3
weather_moon_waxing_gibbous_4
weather_moon_waxing_gibbous_5
weather_moon_waxing_gibbous_6
weather_moonrise
weather_moonset
weather_na
weather_night_alt_cloudy
weather_night_alt_cloudy_gusts
weather_night_alt_cloudy_high
weather_night_alt_cloudy_windy
weather_night_alt_hail
weather_night_alt_lightning
weather_night_alt_partly_cloudy
weather_night_alt_rain
weather_night_alt_rain_mix
weather_night_alt_rain_wind
weather_night_alt_sleet
weather_night_alt_sleet_storm
weather_night_alt_snow
weather_night_alt_snow_thunderstorm
weather_night_alt_snow_wind
weather_night_alt_sprinkle
weather_night_alt_storm_showers
weather_night_alt_thunderstorm
weather_night_clear
weather_night_cloudy
weather_night_cloudy_gusts
weather_night_cloudy_high
weather_night_cloudy_windy
weather_night_fog
weather_night_hail
weather_night_lightning
weather_night_partly_cloudy
weather_night_rain
weather_night_rain_mix
weather_night_rain_wind
weather_night_showers
weather_night_sleet
weather_night_sleet_storm
weather_night_snow
weather_night_snow_thunderstorm
weather_night_snow_wind
weather_night_sprinkle
weather_night_storm_showers
weather_night_thunderstorm
weather_rain
weather_rain_mix
weather_rain_wind
weather_raindrop
weather_raindrops
weather_refresh
weather_refresh_alt
weather_sandstorm
weather_showers
weather_sleet
weather_small_craft_advisory
weather_smog
weather_smoke
weather_snow
weather_snow_wind
weather_snowflake_cold
weather_solar_eclipse
weather_sprinkle
weather_stars
weather_storm_showers
weather_storm_warning
weather_strong_wind
weather_sunrise
weather_sunset
weather_thermometer
weather_thermometer_exterior
weather_thermometer_internal
weather_thunderstorm
weather_time_1
weather_time_2
weather_time_3
weather_time_4
weather_time_5
weather_time_6
weather_time_7
weather_time_8
weather_time_9
weather_time_10
weather_time_11
weather_time_12
weather_tornado
weather_train
weather_tsunami
weather_umbrella
weather_volcano
weather_wind_beaufort_0
weather_wind_beaufort_1
weather_wind_beaufort_2
weather_wind_beaufort_3
weather_wind_beaufort_4
weather_wind_beaufort_5
weather_wind_beaufort_6
weather_wind_beaufort_7
weather_wind_beaufort_8
weather_wind_beaufort_9
weather_wind_beaufort_10
weather_wind_beaufort_11
weather_wind_beaufort_12
weather_wind_direction
weather_wind_east
weather_wind_north
weather_wind_north_east
weather_wind_north_west
weather_wind_south
weather_wind_south_east
weather_wind_south_west
weather_wind_west
weather_windy

wezterm.on(event_name, callback)

Since: 20201031-154415-9614e117

This function follows the html/javascript naming for defining event handlers.

wezterm.on causes your specified callback to be called when event_name is emitted. Events can be emitted by wezterm itself, or through code/configuration that you specify.

wezterm.on can register multiple callbacks for the same event; internally an ordered list of callbacks is maintained for each event. When the event is emitted, each of the registered callbacks is called in the order that they were registered.

The callback will receive the following parameters:

If a callback returns false it will prevent any callbacks that were registered after it from being triggered for the current event. Some events have a defined default action; returning false will prevent that default action from being taken for the current event.

There is no way to de-register an event handler. However, since the Lua state is built from scratch when the configuration is reloaded, simply reloading the configuration will clear any existing event handlers.

See wezterm.action_callback for a helper to define a custom action callback.

Predefined Events

See Window Events for a list of pre-defined events.

Custom Events

You may register handlers for arbitrary events for which wezterm itself has no special knowledge. It is recommended that you avoid event names that are likely to be used future versions of wezterm in order to avoid unexpected behavior if/when those names might be used in future.

The wezterm.emit function and the EmitEvent key assignment can be used to emit events.

In the following example, a key is assigned to capture the visible content of the active pane, write it to a file and then open that file in the vim editor:

local wezterm = require "wezterm"
local io = require "io"
local os = require "os"
local act = wezterm.action

wezterm.on("trigger-vim-with-visible-text", function(window, pane)
  -- Retrieve the current viewport's text.
  --
  -- Note: You could also pass an optional number of lines (eg: 2000) to
  -- retrieve that number of lines starting from the bottom of the viewport.
  local viewport_text = pane:get_lines_as_text()

  -- Create a temporary file to pass to vim
  local name = os.tmpname()
  local f = io.open(name, "w+")
  f:write(viewport_text)
  f:flush()
  f:close()

  -- Open a new window running vim and tell it to open the file
  window:perform_action(act.SpawnCommandInNewWindow{
    args={"vim", name}
  }, pane)

  -- Wait "enough" time for vim to read the file before we remove it.
  -- The window creation and process spawn are asynchronous wrt. running
  -- this script and are not awaitable, so we just pick a number.
  --
  -- Note: We don't strictly need to remove this file, but it is nice
  -- to avoid cluttering up the temporary directory.
  wezterm.sleep_ms(1000)
  os.remove(name)
end)

return {
  keys = {
    {key="E", mods="CTRL",
      action=act.EmitEvent("trigger-vim-with-visible-text")},
  }
}

wezterm.open_with(path_or_url [, application])

Since: 20220101-133340-7edc5b5a

This function opens the specified path_or_url with either the specified application or uses the default application if application was not passed in.

-- Opens a URL in your default browser
wezterm.open_with("http://example.com")

-- Opens a URL specifically in firefox
wezterm.open_with("http://example.com", "firefox")

wezterm.pad_left(string, min_width)

Since: 20210502-130208-bff6815d

Returns a copy of string that is at least min_width columns (as measured by wezterm.column_width).

If the string is shorter than min_width, spaces are added to the left end of the string.

For example, wezterm.pad_left("o", 3) returns " o".

See also: wezterm.truncate_left, wezterm.pad_right.

wezterm.pad_right(string, min_width)

Since: 20210502-130208-bff6815d

Returns a copy of string that is at least min_width columns (as measured by wezterm.column_width).

If the string is shorter than min_width, spaces are added to the right end of the string.

For example, wezterm.pad_right("o", 3) returns "o ".

See also: wezterm.truncate_left, wezterm.pad_left.

wezterm.permute_any_mods(table)

Since: 20201031-154415-9614e117

This function is intended to help with generating key or mouse binding entries that should apply regardless of the combination of modifier keys pressed.

For each combination of modifiers CTRL, ALT, SHIFT and SUPER, the supplied table value is copied and has mods = <value> set into the copy.

An entry for NONE is NOT generated (this is the only difference between permute_any_mods and permute_any_or_no_mods).

An array holding all of those combinations is returned.

If this is your only binding, or it is the last binding, the resulting array can be unpacked into a lua table initializer and used like this:

local wezterm = require 'wezterm';

return {
  mouse_bindings = {
    table.unpack(wezterm.permute_any_mods({
      event={Down={streak=1, button="Middle"}},
      action="PastePrimarySelection"
    }))
  }
}

(and if you have other bindings before and/or after, use a for loop to iterate and add each binding to your bindings table)

This is equivalent to writing this out, but is much less verbose:

return {
  mouse_bindings = {
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "ALT",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "ALT | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | ALT",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | ALT | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "CTRL",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "CTRL | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "ALT | CTRL",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "ALT | CTRL | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | CTRL",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | CTRL | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | ALT | CTRL",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | ALT | CTRL | SUPER",
        },
  }
}

wezterm.permute_any_or_no_mods(table)

Since: 20201031-154415-9614e117

This function is intended to help with generating key or mouse binding entries that should apply regardless of the combination of modifier keys pressed.

For each combination of modifiers CTRL, ALT, SHIFT and SUPER, the supplied table value is copied and has mods = <value> set into the copy.

In addition, an entry for NONE is generated (this is the only difference between permute_any_mods and permute_any_or_no_mods).

An array holding all of those combinations is returned.

If this is your only binding, or it is the last binding, the resulting array can be unpacked into a lua table initializer and used like this:

local wezterm = require 'wezterm';

return {
  mouse_bindings = {
    table.unpack(wezterm.permute_any_or_no_mods({
      event={Down={streak=1, button="Middle"}},
      action="PastePrimarySelection"
    }))
  }
}

(and if you have other bindings before and/or after, use a for loop to iterate and add each binding to your bindings table)

This is equivalent to writing this out, but is much less verbose:

return {
  mouse_bindings = {
        {
            action= "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "NONE",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "ALT",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "ALT | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | ALT",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | ALT | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "CTRL",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "CTRL | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "ALT | CTRL",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "ALT | CTRL | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | CTRL",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | CTRL | SUPER",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | ALT | CTRL",
        },
        {
            action = "PastePrimarySelection",
            event = {
                Down = {
                    button = "Middle",
                    streak = 1,
                },
            },
            mods = "SHIFT | ALT | CTRL | SUPER",
        },
  }
}

wezterm.read_dir(path)

Since: 20200503-171512-b13ef15f

This function returns an array containing the absolute file names of the directory specified. Due to limitations in the lua bindings, all of the paths must be able to be represented as UTF-8 or this function will generate an error.

local wezterm = require 'wezterm';

-- logs the names of all of the entries under `/etc`
for _, v in ipairs(wezterm.read_dir("/etc")) do
  wezterm.log_error("entry: " .. v)
end

wezterm.run_child_process(args)

Since: 20200503-171512-b13ef15f

This function accepts an argument list; it will attempt to spawn that command and will return a tuple consisting of the boolean success of the invocation, the stdout data and the stderr data.

local wezterm = require 'wezterm';

local success, stdout, stderr = wezterm.run_child_process({"ls", "-l"})

See also background_child_process

wezterm.running_under_wsl()

This function returns a boolean indicating whether we believe that we are running in a Windows Services for Linux (WSL) container. In such an environment the wezterm.target_triple will indicate that we are running in Linux but there will be some slight differences in system behavior (such as filesystem capabilities) that you may wish to probe for in the configuration.

local wezterm = require 'wezterm';
wezterm.log_error("System " .. wezterm.target_triple .. " " ..
  tostring(wezterm.running_under_wsl()))

wezterm.shell_join_args({"foo", "bar"})

Since: nightly builds only

wezterm.shell_join_args joins together its array arguments by applying posix style shell quoting on each argument and then adding a space.

> wezterm.shell_join_args{"foo", "bar"}
"foo bar"
> wezterm.shell_join_args{"hello there", "you"}
"\"hello there\" you"

This is useful to safely construct command lines that you wish to pass to the shell.

wezterm.shell_quote_arg(string)

Since: nightly builds only

Quotes its single argument using posix shell quoting rules.

> wezterm.shell_quote_arg("hello there")
"\"hello there\""

wezterm.shell_split(line)

Since: nightly builds only

Splits a command line into an argument array according to posix shell rules.

> wezterm.shell_split("ls -a")
[
    "ls",
    "-a",
]

> wezterm.shell_split("echo 'hello there'")
[
    "echo",
    "hello there",
]

wezterm.sleep_ms(milliseconds)

Since: 20201031-154415-9614e117

wezterm.sleep_ms suspends execution of the script for the specified number of milliseconds. After that time period has elapsed, the script continues running at the next statement.

wezterm.split_by_newlines(str)

Since: 20200503-171512-b13ef15f

This function takes the input string and splits it by newlines (both \n and \r\n are recognized as newlines) and returns the result as an array of strings that have the newlines removed.

local wezterm = require 'wezterm';

local example = "hello\nthere\n";

for _, line in ipairs(wezterm.split_by_newlines(example)) do
  wezterm.log_error(line)
end

wezterm.strftime(format)

Since: 20210314-114017-04b7cedd

Formats the current local date/time into a string using the Rust chrono strftime syntax.

local wezterm = require 'wezterm';

local date_and_time = wezterm.strftime("%Y-%m-%d %H:%M:%S");
wezterm.log_info(date_and_time);

See also strftime_utc.

wezterm.strftime_utc(format)

Since: 20220624-141144-bd1b7c5d

Formats the current UTC date/time into a string using the Rust chrono strftime syntax.

local wezterm = require 'wezterm';

local date_and_time = wezterm.strftime_utc("%Y-%m-%d %H:%M:%S");
wezterm.log_info(date_and_time);

See also strftime.

wezterm.target_triple

This constant is set to the Rust target triple for the platform on which wezterm was built. This can be useful when you wish to conditionally adjust your configuration based on the platform.

local wezterm = require 'wezterm';

if wezterm.target_triple == "x86_64-pc-windows-msvc" then
  -- We are running on Windows; maybe we emit different
  -- key assignments here?
end

The most common triples are:

  • x86_64-pc-windows-msvc - Windows
  • x86_64-apple-darwin - macOS
  • x86_64-unknown-linux-gnu - Linux

wezterm.truncate_left(string, max_width)

Since: 20210502-130208-bff6815d

Returns a copy of string that is no longer than max_width columns (as measured by wezterm.column_width).

Truncation occurs by removing excess characters from the left end of the string.

For example, wezterm.truncate_left("hello", 3) returns "llo".

See also: wezterm.truncate_right, wezterm.pad_right.

wezterm.truncate_right(string, max_width)

Since: 20210502-130208-bff6815d

Returns a copy of string that is no longer than max_width columns (as measured by wezterm.column_width).

Truncation occurs by reemoving excess characters from the right end of the string.

For example, wezterm.truncate_right("hello", 3) returns "hel",

See also: wezterm.truncate_left, wezterm.pad_left.

wezterm.utf16_to_utf8(str)

Since: 20200503-171512-b13ef15f

This function is overly specific and exists primarily to workaround this wsl.exe issue.

It takes as input a string and attempts to convert it from utf16 to utf8.

local wezterm = require 'wezterm';

local success, wsl_list, wsl_err = wezterm.run_child_process({"wsl.exe", "-l"})
wsl_list = wezterm.utf16_to_utf8(wsl_list)

wezterm.version

This constant is set to the wezterm version string that is also reported by running wezterm -V. This can potentially be used to adjust configuration according to the installed version.

The version string looks like 20200406-151651-5b700e4. You can compare the strings lexicographically if you wish to test whether a given version is newer than another; the first component is the date on which the release was made, the second component is the time and the final component is a git hash.

local wezterm = require 'wezterm';
wezterm.log_error("Version " .. wezterm.version)

Since: nightly builds only

The wezterm.color module exposes functions that work with colors.

Available functions, constants

wezterm.color.parse(string)

Since: nightly builds only

Parses the passed color and returns an RgbaColor object. RgbaColor objects evaluate as strings but have a number of methods that allow transforming colors.

> wezterm.color.parse("black")
#000000

This example picks a foreground color, computes its complement and darkens it to use it as a background color:

local wezterm = require 'wezterm'

local fg = wezterm.color.parse("yellow")
local bg = fg:complement():darken(0.2)

return {
  colors = {
    foreground = fg,
    background = bg,
  }
}

color:complement()

Since: nightly builds only

Returns the complement of the color. The complement is computed by converting to HSL, rotating by 180 degrees and converting back to RGBA.

color:complement_ryb()

Since: nightly builds only

Returns the complement of the color using the RYB color model, which more closely matches how artists think of mixing colors.

The complement is computed by converting to HSL, converting the hue angle to the equivalent RYB angle, rotating by 180 degrees and and then converting back to RGBA.

color:triad()

Since: nightly builds only

Returns the other two colors that form a triad. The other colors are at +/- 120 degrees in the HSL color wheel.

local a, b = wezterm:color.parse("yellow"):triad()

color:square()

Since: nightly builds only

Returns the other three colors that form a square. The other colors are 90 degrees apart on the HSL color wheel.

local a, b, c = wezterm:color.parse("yellow"):square()

color:saturate(factor)

Since: nightly builds only

Scales the color towards the maximum saturation by the provided factor, which should be in the range 0.0 through 1.0.

color:saturate_fixed(amount)

Since: nightly builds only

Increase the saturation by amount, a value ranging from 0.0 to 1.0.

color:desaturate(factor)

Since: nightly builds only

Scales the color towards the minimum saturation by the provided factor, which should be in the range 0.0 through 1.0.

color:desaturate_fixed(amount)

Since: nightly builds only

Decrease the saturation by amount, a value ranging from 0.0 to 1.0.

color:lighten(factor)

Since: nightly builds only

Scales the color towards the maximum lightness by the provided factor, which should be in the range 0.0 through 1.0.

color:lighten_fixed(amount)

Since: nightly builds only

Increase the lightness by amount, a value ranging from 0.0 to 1.0.

color:darken(factor)

Since: nightly builds only

Scales the color towards the minimum lightness by the provided factor, which should be in the range 0.0 through 1.0.

color:darken_fixed(amount)

Since: nightly builds only

Decrease the lightness by amount, a value ranging from 0.0 to 1.0.

color:adjust_hue_fixed(degrees)

Since: nightly builds only

Adjust the hue angle by the specified number of degrees.

180 degrees gives the complementary color. Three colors separated by 120 degrees form the triad. Four colors separated by 90 degrees form the square.

color:adjust_hue_fixed_ryb(degrees)

Since: nightly builds only

Adjust the hue angle using the RYB color model, which more closely matches how artists think of mixing colors, by the specified number of degrees.

180 degrees gives the complementary color. Three colors separated by 120 degrees form the triad. Four colors separated by 90 degrees form the square.

Since: nightly builds only

The wezterm.gui module exposes functions that operate on the gui layer.

The multiplexer may not be connected to a GUI, so attempting to resolve this module from the mux server will return nil.

You will typically use something like:

local wezterm = require 'wezterm'
local gui = wezterm.gui
if gui then
  -- do something that depends on the gui layer
end

Available functions, constants

wezterm.gui.gui_window_for_mux_window(window_id)

Since: nightly builds only

Attempts to resolve a mux window to its corresponding Gui Window.

This may not succeed for a couple of reasons:

  • If called by the multiplexer daemon, there is no gui, so this will never succeed
  • If the mux window is part of a workspace that is not the active workspace

wezterm.gui.screens()

Since: nightly builds only

Returns information about the screens connected to the system.

The follow example was typed into the Debug Overlay (by default: press CTRL-SHIFT-L) on a macbook:

> wezterm.gui.screens()
{
    "active": {
        "height": 1800,
        "name": "Built-in Retina Display",
        "width": 2880,
        "x": 0,
        "y": 0,
    },
    "by_name": {
        "Built-in Retina Display": {
            "height": 1800,
            "name": "Built-in Retina Display",
            "width": 2880,
            "x": 0,
            "y": 0,
        },
    },
    "main": {
        "height": 1800,
        "name": "Built-in Retina Display",
        "width": 2880,
        "x": 0,
        "y": 0,
    },
    "origin_x": 0,
    "origin_y": 0,
    "virtual_height": 1800,
    "virtual_width": 2880,
}

The return value is a table with the following keys:

  • active - contains information about the active screen. The active screen is the one which has input focus. On some systems, wezterm will return the same information as the main screen screen.
  • main - contains information about the main screen. The main screen is the primary screen: the one that has the menu bar or task bar.
  • by_name - a table containing information about each screen, indexed by their name
  • origin_x, origin_y, virtual_height, virtual_width - the bounds of the combined desktop geometry spanning all connected screens

The screen information is a table with the following keys:

  • name - the name of the screen.
  • x, y, width, height - the bounds of this screen

Since: 20220624-141144-bd1b7c5d

The wezterm.mux module exposes functions that operate on the multiplexer layer.

The multiplexer manages the set of running programs into panes, tabs, windows and workspaces.

The multiplexer may not be connected to a GUI so certain operations that require a running Window management system are not present in the interface exposed by this module.

You will typically use something like:

local wezterm = require 'wezterm'
local mux = wezterm.mux

at the top of your configuration file to access it.

Important Note!

You should avoid using, at the file scope in your config, mux functions that cause new splits, tabs or windows to be created. The configuration file can be evaluated multiple times in various contexts. If you want to spawn new programs when wezterm starts up, look at the gui-startup and mux-startup events.

Available functions, constants

wezterm.mux.all_windows()

Since: nightly builds only

Returns an array table holding all of the known MuxWindow objects.

wezterm.mux.get_active_workspace()

Since: 20220624-141144-bd1b7c5d

Returns the name of the active workspace.

wezterm.mux.get_pane(PANE_ID)

Since: 20220624-141144-bd1b7c5d

Given a pane ID, verifies that the ID is a valid pane known to the mux and returns a MuxPane object that can be used to operate on the pane.

This is useful for situations where you have obtained a pane id from some other source and want to use the various MuxPane methods with it.

wezterm.mux.get_tab(WINDOW_ID)

Since: 20220624-141144-bd1b7c5d

Given a tab ID, verifies that the ID is a valid tab known to the mux and returns a MuxTab object that can be used to operate on the tab.

This is useful for situations where you have obtained a tab id from some other source and want to use the various MuxTab methods with it.

wezterm.mux.get_window(WINDOW_ID)

Since: 20220624-141144-bd1b7c5d

Given a window ID, verifies that the ID is a valid window known to the mux and returns a MuxWindow object that can be used to operate on the window.

This is useful for situations where you have obtained a window id from some other source and want to use the various MuxWindow methods with it.

wezterm.mux.get_workspace_names()

Since: 20220624-141144-bd1b7c5d

Returns a table containing the names of the workspaces known to the mux.

wezterm.mux.set_active_workspace(WORKSPACE)

Since: 20220624-141144-bd1b7c5d

Sets the active workspace name.

If the requested name doesn't correspond to an existing workspace, then an error is raised.

wezterm.mux.spawn_window{}

Since: 20220624-141144-bd1b7c5d

Spawns a program into a new window, returning the MuxTab, MuxPane and MuxWindow objects associated with it:

local tab, pane, window = wezterm.mux.spawn_window{}

When no arguments are passed, the default program is spawned.

The following parameters are supported:

args

Specifies the argument array for the command that should be spawned. If omitted the default program for the domain will be spawned.

wezterm.mux.spawn_window{args={"top"}}

cwd

Specify the current working directory that should be used for the program.

If unspecified, follows the rules from default_cwd

wezterm.mux.spawn_window{cwd="/tmp"}

set_environment_variables

Sets additional environment variables in the environment for this command invocation.

wezterm.mux.spawn_window{set_environment_variables={"FOO"="BAR"}}

domain

Specifies the multiplexer domain into which the program should be spawned. The default value is assumed to be "DefaultDomain", which causes the default domain to be used.

You may specify the name of one of the multiplexer domains defined in your configuration using the following:

wezterm.mux.spawn_window{domain={DomainName="my.name"}}

width and height

Only valid when width and height are used together, allows specifying the number of column and row cells that the window should have.

wezterm.mux.spawn_window{width=60, height=30}

workspace

Specifies the name of the workspace that the newly created window will be associated with. If omitted, the currently active workspace name will be used.

wezterm.mux.spawn_window{workspace={"coding"}}

Config struct

The return statement at the end of your wezterm.lua file returns a table that is interpreted as the internal Config struct type.

This section documents the various available fields in the config struct.

At the time of writing, it is not a complete list!

adjust_window_size_when_changing_font_size = true

Since 20210203-095643-70a364eb

Control whether changing the font size adjusts the dimensions of the window (true) or adjusts the number of terminal rows/columns (false). The default is true.

If you use a tiling window manager then you may wish to set this to false.

allow_square_glyphs_to_overflow_width = "Never"

Since: 20210203-095643-70a364eb

Configures how square symbol glyph's cell is rendered:

  • "WhenFollowedBySpace" - deliberately overflow the cell width when the next cell is a space.
  • "Always" - overflow the cell regardless of the next cell being a space.
  • "Never" (the default) - strictly respect the cell width.

Since: 20210404-112810-b63a949d

This setting now applies to any glyph with an aspect ratio larger than 0.9, which covers more symbol glyphs than in earlier releases.

The default value for this setting has changed to WhenFollowedBySpace.

allow_win32_input_mode

Since: 20220319-142410-0fcdea07

When set to true, wezterm will honor an escape sequence generated by the Windows ConPTY layer to switch the keyboard encoding to a proprietary scheme that has maximum compatibility with win32 console applications.

See also Improved Keyboard Handling in ConPTY.

Since: 20220624-141144-bd1b7c5d

The default for allow_win32_input_mode is now true.

alternate_buffer_wheel_scroll_speed = 3

Since: 20210203-095643-70a364eb

Normally the vertical mouse wheel will scroll the terminal viewport so that different sections of the scrollback are visible.

When an application activates the Alternate Screen Buffer (this is common for "full screen" terminal programs such as pagers and editors), the alternate screen doesn't have a scrollback.

In this mode, if the application hasn't enabled mouse reporting, wezterm will generate Arrow Up/Down key events when the vertical mouse wheel is scrolled.

The alternate_buffer_wheel_scroll_speed specifies how many arrow key presses are generated by a single scroll wheel "tick".

The default for this value is 3, which means that a single wheel up tick will appear to the application as though the user pressed arrow up three times in quick succession.

In versions of wezterm prior to this configuration option being available, the behavior was the same except that the effective value of this option was always 1.

animation_fps = 10

Since: 20220319-142410-0fcdea07

This setting controls the maximum frame rate used when rendering easing effects for blinking cursors, blinking text and visual bell.

Setting it larger will result in smoother easing effects but will increase GPU utilization.

If you are running with a CPU renderer (eg: you have front_end = "Software", or your system doesn't have a GPU), then setting animation_fps = 1 is recommended, as doing so will disable easing effects and use transitions:

return {
  animation_fps = 1,
  cursor_blink_ease_in = "Constant",
  cursor_blink_ease_out = "Constant",
}

audible_bell

Since: 20211204-082213-a66c61ee9

When the BEL ascii sequence is sent to a pane, the bell is "rung" in that pane.

You may choose to configure the audible_bell option to change the sound that wezterm makes when the bell rings.

The follow are possible values:

  • "SystemBeep" - perform the system beep or alert sound. This is the default. On Wayland systems, which have no system beep function, it does not produce a sound.
  • "Disabled" - don't make a sound

See also visual_bell and bell event

automatically_reload_config

Since: 20201031-154415-9614e117

When true (the default), watch the config file and reload it automatically when it is detected as changing. When false, you will need to manually trigger a config reload with a key bound to the action ReloadConfiguration.

For example, to disable auto config reload:

return {
  automatically_reload_config = false
}

background

Since: 20220624-141144-bd1b7c5d

The background config option allows you to compose a number of layers to produce the background content in the terminal.

Layers can be image files, gradients or solid blocks of color. Layers composite over each other based on their alpha channel. Images in layers can be made to fill the viewport or to tile, and also to scroll with optional parallax as the viewport is scrolled.

This video demonstrates the use of multiple layers to produce a rich video game style parallax background; the configuration used for this is shown as an example at the bottom of this page:

The background option is a table that lists the desired layers starting with the deepest/back-most layer. Subsequent layers are composited over the top of preceding layers.

Layer Definition

A layer is a lua table with the following fields:

  • source - defines the source of the layer texture data. See below for source definitions
  • attachment - controls whether the layer is fixed to the viewport or moves as it scrolls. Can be:
    • "Fixed" (the default) to not move as the window scrolls,
    • "Scroll" to scroll 1:1 with the number of pixels scrolled in the viewport,
    • {Parallax=0.1} to scroll 1:10 with the number of pixels scrolled in the viewport.
  • repeat_x - controls whether the image is repeated in the x-direction. Can be one of:
    • "Repeat" - Repeat as much as possible to cover the area. The last image will be clipped if it doesn't fit. This is the default.
    • "Mirror" - Like "Repeat" except that the image is alternately mirrored which can make images that don't tile seamlessly look a bit better when repeated
    • "NoRepeat" - the image is not repeated.
  • repeat_x_size - Normally, when repeating, the image is tiled based on its width such that each copy of the image is immediately adjacent to the preceding instance. You may set repeat_x_size to a different value to increase or decrease the space between the repeated instances. Accepts:
    • number values in pixels,
    • string values like "100%" to specify a size relative to the viewport,
    • "10cell" to specify a size based on the terminal cell metrics.
  • repeat_y - like repeat_x but affects the y-direction.
  • repeat_y_size - like repeat_x_size but affects the y-direction.
  • vertical_align - controls the initial vertical position of the layer, relative to the viewport:
    • "Top" (the default),
    • "Middle",
    • "Bottom"
  • vertical_offset - specify an offset from the initial vertical position. Accepts:
    • number values in pixels,
    • string values like "100%" to specify a size relative to the viewport,
    • "10cell" to specify a size based on terminal cell metrics.
  • horizontal_align - controls the initial horizontal position of the layer, relative to the viewport:
    • "Left" (the default),
    • "Center"
    • "Right"
  • horizontal_offset - like vertical_offset but applies to the x-direction.
  • opacity - a number in the range 0 through 1.0 inclusive that is multiplied with the alpha channel of the source to adjust the opacity of the layer. The default is 1.0 to use the source alpha channel as-is. Using a smaller value makes the layer less opaque/more transparent.
  • hsb - a hue, saturation, brightness tranformation that can be used to adjust those attributes of the layer. See foreground_text_hsb for more information about this kind of transform.
  • height - controls the height of the image. The following values are accepted:
    • "Cover" (this is the default) - Scales the image, preserving aspect ratio, to the smallest possible size to fill the viewport, leaving no empty space. If the aspect ratio of the viewport differs from the image, the image is cropped.
    • "Contain" - Scales the image as large as possible without cropping or stretching. If the viewport is larger than the image, tiles the image unless repeat_y is set to "NoRepeat".
    • 123 - specifies a height of 123 pixels
    • "50%" - specifies a size of 50% of the viewport height
    • "2cell" - specifies a size equivalent to 2 rows
  • width - controls the width of the image. Same details as height but applies to the x-direction.

Source Definition

A source can be one of the following:

  • {File="/path/to/file.png"} - load the specified image file. PNG, JPEG, GIF, BMP, ICO, TIFF, PNM, DDS, TGA and farbfeld files can be loaded. Animated GIF and PNG files will animate while the window has focus.
  • {File={path="/path/to/anim.gif", speed=0.2}} - load the specified image file, which is an animated gif, and adjust the animation speed to 0.2 times its normal speed.
  • {Gradient={preset="Warm"}} - generate a gradient. The gradient definitions are the same as those allowed for window_background_gradient.
  • {Color="black"} - generate an image with the specified color.

Relationship with other config options

Specifying the following options:

  • window_background_gradient
  • window_background_image
  • window_background_opacity
  • window_background_image_hsb

will implicitly prepend a layer to the background configuration with width and height set to 100%.

It is recommended that you migrate to the newer background rather than mixing both the older and the newer configuration options.

Parallax Example

This example uses these Alien Space Ship Background - Parallax - Repeatable (Vertical) assets to demonstrate most of the available features of background. That asset pack includes a background layer and a number of overlays. The overlays are positioned at varying offsets with differing parallax to provide a greater sense of depth.

The video at the top of this page demonstrate this configuration in action.

-- The art is a bit too bright and colorful to be useful as a backdrop
-- for text, so we're going to dim it down to 10% of its normal brightness
local dimmer = {brightness=0.1}

return {
  enable_scroll_bar = true,
  min_scroll_bar_height = "2cell",
  colors = {
    scrollbar_thumb = "white",
  },
  background = {
    -- This is the deepest/back-most layer. It will be rendered first
    {
      source = {File="/Alien_Ship_bg_vert_images/Backgrounds/spaceship_bg_1.png"},
      -- The texture tiles vertically but not horizontally.
      -- When we repeat it, mirror it so that it appears "more seamless".
      -- An alternative to this is to set `width = "100%"` and have
      -- it stretch across the display
      repeat_x = "Mirror",
      hsb = dimmer,
      -- When the viewport scrolls, move this layer 10% of the number of
      -- pixels moved by the main viewport. This makes it appear to be
      -- further behind the text.
      attachment = {Parallax=0.1},
    },
    -- Subsequent layers are rendered over the top of each other
    {
      source = {File="/Alien_Ship_bg_vert_images/Overlays/overlay_1_spines.png"},
      width = "100%",
      repeat_x = "NoRepeat",

      -- position the spins starting at the bottom, and repeating every
      -- two screens.
      vertical_align = "Bottom",
      repeat_y_size = "200%",
      hsb = dimmer,

      -- The parallax factor is higher than the background layer, so this
      -- one will appear to be closer when we scroll
      attachment = {Parallax=0.2},
    },
    {
      source = {File="/Alien_Ship_bg_vert_images/Overlays/overlay_2_alienball.png"},
      width = "100%",
      repeat_x = "NoRepeat",

      -- start at 10% of the screen and repeat every 2 screens
      vertical_offset = "10%",
      repeat_y_size = "200%",
      hsb = dimmer,
      attachment = {Parallax=0.3},
    },
    {
      source = {File="/Alien_Ship_bg_vert_images/Overlays/overlay_3_lobster.png"},
      width = "100%",
      repeat_x = "NoRepeat",

      vertical_offset = "30%",
      repeat_y_size = "200%",
      hsb = dimmer,
      attachment = {Parallax=0.4},
    },
    {
      source = {File="/Alien_Ship_bg_vert_images/Overlays/overlay_4_spiderlegs.png"},
      width = "100%",
      repeat_x = "NoRepeat",

      vertical_offset = "50%",
      repeat_y_size = "150%",
      hsb = dimmer,
      attachment = {Parallax=0.5},
    },
  },
}

bold_brightens_ansi_colors = true

When true (the default), PaletteIndex 0-7 are shifted to bright when the font intensity is bold.

This brightening effect doesn't occur when the text is set to the default foreground color!

This defaults to true for better compatibility with a wide range of mature software; for instance, a lot of software assumes that Black+Bold renders as a Dark Grey which is legible on a Black background, but if this option is set to false, it would render as Black on Black.

bypass_mouse_reporting_modifiers = "SHIFT"

Since: 20210814-124438-54e29167

If an application has enabled mouse reporting mode, mouse events are sent directly to the application, and do not get routed through the mouse assignment logic.

Holding down the bypass_mouse_reporting_modifiers modifier key(s) will prevent the event from being passed to the application.

The default value for bypass_mouse_reporting_modifiers is SHIFT, which means that holding down shift while clicking will not send the mouse event to eg: vim running in mouse mode and will instead treat the event as though SHIFT was not pressed and then match it against the mouse assignments.

return {
  -- Use ALT instead of SHIFT to bypass application mouse reporting
  bypass_mouse_reporting_modifiers = "ALT"
}

canonicalize_pasted_newlines

Since: 20211204-082213-a66c61ee9

Controls whether pasted text will have newlines normalized.

If bracketed paste mode is enabled by the application, the effective value of this configuration option is "None".

The following values are accepted:

valuemeaningversion
truesame as "CarriageReturnAndLineFeed"Since: 20211204-082213-a66c61ee9
falsesame as "None"Since: 20211204-082213-a66c61ee9
"None"The text is passed through unchangedSince: 20220319-142410-0fcdea07
"LineFeed"Newlines of any style are rewritten as LFSince: 20220319-142410-0fcdea07
"CarriageReturn"Newlines of any style are rewritten as CRSince: 20220319-142410-0fcdea07
"CarriageReturnAndLineFeed"Newlines of any style are rewritten as CRLFSince: 20220319-142410-0fcdea07

Note that the string forms of these values are accepted in 20220319-142410-0fcdea07, however, true in all prior versions behaves the same way as "CarriageReturnAndLineFeed" behaves in the nightly build.

The default value has changed in different versions of wezterm:

versionplatformdefault
20211204-082213-a66c61ee9Windows"CarriageReturnAndLineFeed"
20211204-082213-a66c61ee9NOT Windows"None"
20220319-142410-0fcdea07NOT Windows"CarriageReturn"

On Windows we're in a bit of a frustrating situation: pasting into Windows console programs requires CRLF otherwise there is no newline at all, but when in WSL, pasting with CRLF gives excess blank lines.

In practice, the default setting means that unix shells and vim will get the unix newlines in their pastes (which is the UX most users will want) and cmd.exe will get CRLF.

cell_width = 1.0

Since: 20220624-141144-bd1b7c5d

Scales the computed cell width to adjust the spacing between successive cells of text.

If possible, you should prefer to specify the stretch parameter when selecting a font using wezterm.font or wezterm.font_with_fallback as that will generally look better and have fewer undesirable side effects.

If your preferred font doesn't have variations with different stretches, or if the font spacing still doesn't look right to you, then cell_width gives you a simple way to influence the spacing.

The default cell width is indirectly controlled by the font and font_size configuration options; the selected font and font size controls the height of the font, while the font designer controls the aspect ratio of the glyphs in the font. The base font (the first font resolved from your font configuration) defines the cell metrics for the terminal display grid, and those metrics are then used to place glyphs, regardless of which fallback font might be resolved for a given glyph.

If you feel that your chosen font feels too horizontally cramped then you can set cell_width = 1.2 to increase the horizontal spacing by 20%. Conversely, setting cell_width = 0.9 will decrease the horizontal spacing by 10%.

This option doesn't adjust the rasterized width of glyphs, it just changes what wezterm considers to be the cell boundaries. When rendering monospace, wezterm advances by the cell width to place successive glyphs.

If you set the scale less than 1.0 then the glyphs won't be truncated or squished, but will render over the top of each other. Conversely, if you set the scale to greater than 1.0, the glyphs won't be stretched but will render further apart from each other.

Changing cell_width doesn't adjust the positioning of the glyph within the cell: it remains at its usual x-position. It is not centered within the adjusted space.

Changing cell_width may have undesirable consequences, especially for fonts that use ligatures: depending on the font, you may find that some ligatured sequences are misaligned or render strangely. This is not a bug: the font is designed to be rendered with a cell_width = 1.0, so running with a different value will have this sort of side effect.

See also: line_height

check_for_updates & check_for_updates_interval_seconds

Wezterm checks regularly if there is a new stable version available on github, and shows a simple UI to let you know about the update (See show_update_window to control this UI).

By default it is checked once every 24 hours.

NOTE that it doesn't automatically download the release. No data are collected for the wezterm project as part of this.

Set check_for_updates to false to disable this completely or set check_for_updates_interval_seconds for an alternative update interval.

return {
  check_for_updates = true,
  check_for_updates_interval_seconds = 86400,
}

clean_exit_codes = { 0 }

Since: 20220624-141144-bd1b7c5d

Defines the set of exit codes that are considered to be a "clean" exit by exit_behavior when the program running in the terminal completes.

Acceptable values are an array of integer exit codes that you wish to treat as successful.

For example, if you often CTRL-C a program and then CTRL-D, bash will typically exit with status 130 to indicate that a program was terminated with SIGINT, but that bash itself wasn't. In that situation you may wish to set this config to treat 130 as OK:

return {
  clean_exit_codes = {130},
}

Note that 0 is always treated as a clean exit code and can be omitted from the list.

color_schemes

Specifies various named color schemes in your configuration file.

Described in more detail in Colors & Appearance

colors

Specifies the color palette.

Described in more detail in Colors & Appearance

cursor_blink_ease_in = "Linear"

Since: 20220319-142410-0fcdea07

Specifies the easing function to use when computing the color for the text cursor when it is set to a blinking style.

See visual_bell for more information about easing functions.

cursor_blink_ease_out = "Linear"

Since: 20220319-142410-0fcdea07

Specifies the easing function to use when computing the color for the text cursor when it is set to a blinking style.

See visual_bell for more information about easing functions.

cursor_blink_rate

Specifies how often a blinking cursor transitions between visible and invisible, expressed in milliseconds. Setting this to 0 disables blinking.

Note that this value is approximate due to the way that the system event loop schedulers manage timers; non-zero values will be at least the interval specified with some degree of slop.

It is recommended to avoid blinking cursors when on battery power, as it is relatively costly to keep re-rendering for the blink!

return {
  cursor_blink_rate = 800,
}

Since: 20220319-142410-0fcdea07

The cursor blink is controlled by the easing functions specified by the cursor_blink_ease_in and cursor_blink_ease_out.

custom_block_glyphs = true

Since: 20210314-114017-04b7cedd

When set to true (the default), WezTerm will compute its own idea of what the glyphs in the following unicode ranges should be, instead of using glyphs resolved from a font.

Ideally this option wouldn't exist, but it is present to work around a hinting issue in freetype.

BlockWhatSince
U2500Box Drawing20210814-124438-54e29167
U2580unicode block elements20210314-114017-04b7cedd
U1FB00Symbols for Legacy Computing (Sextants and Smooth mosaic graphics)20210814-124438-54e29167
U2800Braille Patterns20210814-124438-54e29167
PowerlinePowerline triangle, curve and diagonal glyphs20210814-124438-54e29167

You can set this to false to use the block characters provided by your font selection.

daemon_options

Allows configuring the multiplexer (mux) server and how it places itself into the background to run as a daemon process.

You should not normally need to configure this setting; the defaults should be sufficient in most cases.

There are three fields supported:

  • pid_file - specify the location of the pid and lock file. The default location is $XDG_RUNTIME_DIR/wezterm/pid on X11/Wayland systems, or $HOME/.local/share/wezterm/pid
  • stdout - specifies where a log of the stdout stream from the daemon will be placed. The default is $XDG_RUNTIME_DIR/wezterm/stdout on X11/Wayland systems, or $HOME/.local/share/wezterm/stdout.
  • stderr - specifies where a log of the stderr stream from the daemon will be placed. The default is $XDG_RUNTIME_DIR/wezterm/stderr on X11/Wayland systems, or $HOME/.local/share/wezterm/stderr.
return {
  daemon_options = {
    stdout = "/some/where/stdout",
    stderr = "/some/where/stderr",
    pid_file = "/some/where/pid_file",
  }
}

debug_key_events = false

When set to true, each key event will be logged by the GUI layer as an INFO level log message on the stderr stream from wezterm. You will typically need to launch wezterm directly from another terminal to see this logging.

This can be helpful in figuring out how keys are being decoded on your system, or for discovering the system-dependent "raw" key code values.

return {
  debug_key_events = true,
}

Produces logs like the following when typing ls: (artificially wrapped to make these docs more readable):

 2021-02-20T17:04:28.149Z INFO  wezterm_gui::gui::termwindow   > key_event 
   KeyEvent { key: Char('l'), modifiers: NONE, raw_key: None,
   raw_modifiers: NONE, raw_code: Some(46), repeat_count: 1, key_is_down: true }
 2021-02-20T17:04:28.605Z INFO  wezterm_gui::gui::termwindow   > key_event
   KeyEvent { key: Char('s'), modifiers: NONE, raw_key: None, raw_modifiers: NONE,
   raw_code: Some(39), repeat_count: 1, key_is_down: true }

The key event has a number of fields:

  • key is the decoded key after keymapping and composition effects. For example Char('l') occurs when typing the l key and Char('L') occurs when doing the same but with SHIFT held down. It could also be one of the keycode identifiers listed in the Configuring Key Assignments section.
  • modifiers indicates which modifiers are active after keymapping and composition effects. For example, typing l with SHIFT held down produces key: Char('L'), modifiers: NONE because the SHIFT key composed to produce the uppercase L.
  • raw_key represents the key press prior to any keymapping/composition events. If raw_key would be the same as key then raw_key will be printed as NONE.
  • raw_modifiers represents the state of the modifier keys prior to any keymapping or composition effects. For example, typeing l with SHIFT held down produces raw_modifiers: SHIFT.
  • raw_code is the hardware-and-or-windowing-system-dependent raw keycode value associated with the key press. This generally represents the physical location of the key independent of keymapping.
  • repeat_count is usually 1 but on some systems may be larger number to indicate that the key is being held down and that the system is synthesizing multiple key-presses based on the system key repeat settings.
  • key_is_down indicates whether the key is being pressed or released. This will always be true when debug logging, as logging and key press handling is only triggered on key press events in wezterm.

default_cursor_style = "SteadyBlock"

Specifies the default cursor style. Various escape sequences can override the default style in different situations (eg: an editor can change it depending on the mode), but this value controls how the cursor appears when it is reset to default. The default is SteadyBlock.

Acceptable values are SteadyBlock, BlinkingBlock, SteadyUnderline, BlinkingUnderline, SteadyBar, and BlinkingBar.

return {
  default_cursor_style = "SteadyBlock",
}

Using a blinking style puts more load on the graphics subsystem. animation_fps can be used to tune the frame rate used for easing in the blink animation.

default_cwd

Since: 20210203-095643-70a364eb

Sets the default current working directory used by the initial window. If wezterm start --cwd /some/path is used to specify the current working directory, that will take precedence.

Commands launched using SpawnCommand will use the cwd specified in the SpawnCommand, if any.

Panes/Tabs/Windows created after the first will generally try to resolve the current working directory of the current Pane, preferring a value set by OSC 7 and falling back to attempting to lookup the cwd of the current process group leader attached to a local Pane. If no cwd can be resolved, then the default_cwd will be used. If default_cwd is not specified, then the home directory of the user will be used.

graph TD
    X[Determine current working directory for new pane] --> A{{Is initial window?}}
    A -->|Yes| B[Opened with CLI and --cwd flag?]
    A -->|No| C[New pane, tab or window.]
    C --> D{{Opened with a SpawnCommand<br/> that includes cwd?}}
    D -->|No| J{{Does current pane have same domain<br/>and have a value set by OSC 7?}}
    B -->|Yes| E[Use --cwd]
    B -->|No| F{{Is default_cwd defined?}}
    F -->|Yes| G[Use default_cwd]
    F -->|No| H[Use home directory]
    D -->|Yes| I[Use cwd specified<br/> by `SpawnCommand`]
    J -->|Yes| K[Use that OSC 7 value]
    J -->|No| L{{Can cwd be resolved via<br/> the process group leader?}}
    L -->|Yes| M[Use resolved cwd]
    L -->|No| F

On macOS and Linux, wezterm can attempt to resolve the process group leader and then attempt to resolve its current working directory. This is not guaranteed to succeed, and there are a number of potential edge cases (which is another reason for configuring your shell to use OSC 7 sequences).

On Windows, there isn't a process group leader concept, but wezterm will examine the process tree of the program that it started in the current pane and use some heuristics to determine an approximate equivalent.

default_domain = "local"

Since: 20220319-142410-0fcdea07

When starting the GUI (not using the serial or connect subcommands), by default wezterm will set the built-in "local" domain as the default multiplexing domain.

The "local" domain represents processes that are spawned directly on the local system.

Windows users, particularly those who use WSL, may wish to override the default domain to instead use a particular WSL distribution so that wezterm launches directly into a Linux shell rather than having to manually invoke wsl.exe. Using a WslDomain for this has the advantage that wezterm can then use shell integration to track the current directory inside WSL and use it when splitting new panes or spawning new tabs.

For example, if:

; wsl -l -v
  NAME            STATE           VERSION
* Ubuntu-18.04    Running         1

then wezterm will by default create a WslDomain with the name "WSL:Ubuntu-18.04" and if I set my config like this:

return {
  default_domain = "WSL:Ubuntu-18.04",
}

then when wezterm starts up, it will open with a shell running inside that Ubuntu distribution rather than using the default cmd or powershell.

While these examples are WSL-centric, default_domain will accept the name of any of the available multiplexing domains.

default_gui_startup_args = {"start"}

Since: 20220101-133340-7edc5b5a

When launching the GUI using either wezterm or wezterm-gui (with no subcommand explicitly specified), wezterm will use the value of default_gui_startup_args to pick a default mode for running the GUI.

The default for this config is {"start"} which makes wezterm with no additional subcommand arguments equivalent to wezterm start.

If you know that you always want to use wezterm's ssh client to login to a particular host, then you might consider using this configuration:

return {
  default_gui_startup_args = {"ssh", "some-host"},
}

which will cause wezterm with no additional subcommand arguments to be equivalent to running wezterm ssh some-host.

Specifying subcommand arguments on the command line is NOT additive with this config; the command line arguments always take precedence.

Depending on your desktop environment, you may find it simpler to use your operating system shortcut or alias function to set up a shortcut that runs the subcommand you desire.

default_prog

If no prog is specified on the command line, use this instead of running the user's shell.

For example, to have wezterm always run top by default, you'd use this:

return {
  default_prog = {"top"}
}

default_prog is implemented as an array where the 0th element is the command to run and the rest of the elements are passed as the positional arguments to that command.

See also: Launching Programs

default_workspace = "default"

Since: 20220319-142410-0fcdea07

Specifies the name of the default workspace. The default is "default".

disable_default_quick_select_patterns

Since: 20210502-130208-bff6815d

When set to true, the default set of quick select patterns are omitted, and your quick_select_patterns config specifies the total set of patterns used for quick select mode.

dpi

Override the detected DPI (dots per inch) for the display.

This can be useful if the detected DPI is inaccurate and the text appears either blurry or too small (especially if you are using a 4K display on X11 or Wayland).

The default value is system specific:

OSStandard DensityHigh Density
macOS72.0144.0
WindowsProbed from the displayProbed from the display
X1196.096.0
X11 (version 20210314-114017-04b7cedd and later)Probed from Xft.dpi, fallback to 96.0Probed from Xft.dpi, fallback to 96.0
X11 (version 20210814-124438-54e29167 and later)Reads Xft/DPI via xsettings, fallback to Xft.dpi, then fallback to 96.0same as standard density
Wayland96.0192.0

In macOS and Wayland environments there isn't strictly a system DPI value that can be queried; instead standard density has a fixed value and the system will inform WezTerm when the display is high density by communicating a scaling factor for the display.

The Wayland protocol only allows for integer scaling factors, but some compositors support fractional scaling. That fractional scaling can result in blurry text and you may wish to specify a DPI value to compensate.

On macOS the scaling factor changes based on the monitor on which the window is displayed; dragging the window from a retina laptop display to an external standard DPI display causes the window to automatically adjust to the DPI scaling.

Microsoft Windows reports the true DPI for the monitor on which the window is displayed, and will similarly adjust as the window is dragged between monitors.

DPI is poorly supported by X11 itself; while it is possible to query the displays to determine their dimensions, the results are generally inaccurate. It is common for X11 environments to publish an Xft.dpi value as a property of the root window as a hint for the DPI of the display. While that is a reasonable workaround for a single-monitor system, it isn't ideal for a multi-monitor setup where the monitors have varying DPIs.

enable_csi_u_key_encoding = false

When set to true, the keyboard encoding will be changed to use the scheme that is described here.

It is not recommended to enable this option as it does change the behavior of some keys in backwards incompatible ways and there isn't a way for applications to detect or request this behavior.

The default for this option is false.

Note that allow_win32_input_mode takes precedence over this option.

enable_kitty_keyboard = false

Since: 20220624-141144-bd1b7c5d

When set to true, wezterm will honor kitty keyboard protocol escape sequences that modify the keyboard encoding.

enable_scroll_bar

Enable the scrollbar. This is currently disabled by default. It will occupy the right window padding space.

If right padding is set to 0 then it will be increased to a single cell width.

return {
  enable_scroll_bar = true,
}

enable_tab_bar = true

Controls whether the tab bar is enabled. Set to false to disable it.

See also hide_tab_bar_if_only_one_tab

enable_wayland

If false, do not try to use a Wayland protocol connection when starting the gui frontend, and instead use X11.

This option is only considered on X11/Wayland systems and has no effect on macOS or Windows.

The default is false.

return {
  enable_wayland = true,
}

Since: 20220624-141144-bd1b7c5d

The default is now true.

exit_behavior = "CloseOnCleanExit"

Since: 20210314-114017-04b7cedd

Controls the behavior when the shell program spawned by the terminal exits. There are three possible values:

  • "Close" - close the corresponding pane as soon as the program exits.
  • "Hold" - keep the pane open after the program exits. The pane must be manually closed via CloseCurrentPane, CloseCurrentTab or closing the window.
  • "CloseOnCleanExit" - if the shell program exited with a successful status, behave like "Close", otherwise, behave like "Hold". This is the default setting.
return {
  exit_behavior = "Hold",
}

Note that most unix shells will exit with the status of the last command that it ran if you don't specify an exit status.

For example, if you interrupt a command and then use exit (with no arguments), or CTRL-D to send EOF to the shell, the shell will return an unsuccessful exit status. The same thing holds if you were to run:

false
exit

With the default exit_behavior="CloseOnCleanExit" setting, that will cause the pane to remain open.

See also: clean_exit_codes for fine tuning what is considered to be a clean exit status.

Since: 20220624-141144-bd1b7c5d

The default is now "Close".

font

Configures the font to use by default. The font setting can specify a set of fallbacks and other options, and is described in more detail in the Fonts section.

You will typically use wezterm.font or wezterm.font_with_fallback to specify the font.

font_antialias = "Greyscale"

Deprecated starting in version 20210314-114017-04b7cedd; this option no longer does anything and will be removed in a future release. Use freetype_load_target instead

Adjusts the anti-aliasing portion of the font rasterizer.

Possible values are None, Greyscale, Subpixel.

The default value is Greyscale.

font_dirs

By default, wezterm will use an appropriate system-specific method for locating the fonts that you specify using the options below. In addition, if you configure the font_dirs option, wezterm will load fonts from that set of directories:

return {
  -- This tells wezterm to look first for fonts in the directory named
  -- `fonts` that is found alongside your `wezterm.lua` file.
  -- As this option is an array, you may list multiple locations if
  -- you wish.
  font_dirs = {"fonts"},
}

wezterm will scan the font_dirs to build a database of available fonts. When resolving a font, wezterm will first use the configured font_locator which is typically the system specific font resolver. If the system doesn't resolve the requested font, the fonts from font_dirs are searched for a match.

If you want to only find fonts from your font_dirs, perhaps because you have a self-contained wezterm config that you carry around with you between multiple systems and don't want to install those fonts on every system that you use, then you can set:

return {
  font_locator = "ConfigDirsOnly"`
}

font_hinting = "Full"

Deprecated starting in version 20210314-114017-04b7cedd; this option no longer does anything and will be removed in a future release. Use freetype_load_target instead

Adjust the hinting portion of the font rasterizer.

Possible values are None, Vertical, VerticalSubpixel, Full.

font_locator

specifies the method by which system fonts are located and loaded. You may specify ConfigDirsOnly to disable loading system fonts and use only the fonts found in the directories that you specify in your font_dirs configuration option.

Otherwise, it is recommended to omit this setting.

font_rasterizer

Specifies the method by which fonts are rendered on screen. The only available implementation is FreeType.

font_rules

You may optionally specify rules that apply different font styling based on the attributes of the text rendered in the terminal. Most users won't need to do this; these rules are useful when you have some unusual fonts or mixtures of fonts that you'd like to use. The default is to auto-generate reasonable italic and bold styling based on the font configuration.

If you do specify font_rules, they are applied in the order that they are specified in the configuration file, stopping with the first matching rule:

local wezterm = require 'wezterm';
return {
  font_rules = {
    -- Define a rule that matches when italic text is shown
    {
      -- If specified, this rule matches when a cell's italic value exactly
      -- matches this.  If unspecified, the attribute value is irrelevant
      -- with respect to matching.
      italic = true,

      -- Match based on intensity: "Bold", "Normal" and "Half" are supported
      -- intensity = "Normal",

      -- Match based on underline: "None", "Single", and "Double" are supported
      -- underline = "None",

      -- Match based on the blink attribute: "None", "Slow", "Rapid"
      -- blink = "None",

      -- Match based on reverse video
      -- reverse = false,

      -- Match based on strikethrough
      -- strikethrough = false,

      -- Match based on the invisible attribute
      -- invisible = false,

      -- When the above attributes match, apply this font styling
      font = wezterm.font("Operator Mono SSm Lig Medium", {italic=true}),
    }
  }
}

Here's an example from my configuration file;

local wezterm = require 'wezterm';

-- A helper function for my fallback fonts
function font_with_fallback(name, params)
  local names = {name, "Noto Color Emoji", "JetBrains Mono"}
  return wezterm.font_with_fallback(names, params)
end

return {
  font = font_with_fallback("Operator Mono SSm Lig Medium"),
  font_rules= {
    -- Select a fancy italic font for italic text
    {
      italic = true,
      font = font_with_fallback("Operator Mono SSm Lig Medium Italic"),
    },

    -- Similarly, a fancy bold+italic font
    {
      italic = true,
      intensity = "Bold",
      font = font_with_fallback("Operator Mono SSm Lig Book Italic"),
    },

    -- Make regular bold text a different color to make it stand out even more
    {
      intensity = "Bold",
      font = font_with_fallback("Operator Mono SSm Lig Bold", {foreground = "tomato"}),
    },

    -- For half-intensity text, use a lighter weight font
    {
      intensity = "Half",
      font = font_with_fallback("Operator Mono SSm Lig Light"),
    },
  },
}

Since: 20210502-130208-bff6815d

The default font_rules generated by wezterm are now always appended to the rules that you've supplied (rather than used only if you didn't specify any), and now also include rules for selecting lighter weight fonts when half-bright text is rendered to the terminal.

That means that you shouldn't need to specify as many rules as in previously releases.

You can run wezterm ls-fonts to summarize the font rules and the fonts that match them:

$ wezterm ls-fonts
Primary font:
wezterm.font_with_fallback({
  -- <built-in>, BuiltIn
  "JetBrains Mono",

  -- /home/wez/.fonts/NotoColorEmoji.ttf, FontConfig
  "Noto Color Emoji",

  -- <built-in>, BuiltIn
  "Last Resort High-Efficiency",

})


When Intensity=Half Italic=true:
wezterm.font_with_fallback({
  -- <built-in>, BuiltIn
  {family="JetBrains Mono", weight="ExtraLight", italic=true},

  -- /home/wez/.fonts/NotoColorEmoji.ttf, FontConfig
  "Noto Color Emoji",

  -- <built-in>, BuiltIn
  "JetBrains Mono",

  -- <built-in>, BuiltIn
  "Last Resort High-Efficiency",

})


When Intensity=Half Italic=false:
wezterm.font_with_fallback({
  -- <built-in>, BuiltIn
  {family="JetBrains Mono", weight="ExtraLight"},

  -- /home/wez/.fonts/NotoColorEmoji.ttf, FontConfig
  "Noto Color Emoji",

  -- <built-in>, BuiltIn
  "JetBrains Mono",

  -- <built-in>, BuiltIn
  "Last Resort High-Efficiency",

})


When Intensity=Bold Italic=false:
wezterm.font_with_fallback({
  -- <built-in>, BuiltIn
  {family="JetBrains Mono", weight="Bold"},

  -- /home/wez/.fonts/NotoColorEmoji.ttf, FontConfig
  "Noto Color Emoji",

  -- <built-in>, BuiltIn
  "JetBrains Mono",

  -- <built-in>, BuiltIn
  "Last Resort High-Efficiency",

})


When Intensity=Bold Italic=true:
wezterm.font_with_fallback({
  -- <built-in>, BuiltIn
  {family="JetBrains Mono", weight="Bold", italic=true},

  -- /home/wez/.fonts/NotoColorEmoji.ttf, FontConfig
  "Noto Color Emoji",

  -- <built-in>, BuiltIn
  "JetBrains Mono",

  -- <built-in>, BuiltIn
  "Last Resort High-Efficiency",

})


When Intensity=Normal Italic=true:
wezterm.font_with_fallback({
  -- <built-in>, BuiltIn
  {family="JetBrains Mono", italic=true},

  -- /home/wez/.fonts/NotoColorEmoji.ttf, FontConfig
  "Noto Color Emoji",

  -- <built-in>, BuiltIn
  "JetBrains Mono",

  -- <built-in>, BuiltIn
  "Last Resort High-Efficiency",

})

font_shaper

specifies the method by which text is mapped to glyphs in the available fonts. The shaper is responsible for handling kerning, ligatures and emoji composition. The default is Harfbuzz and we have very preliminary support for Allsorts.

It is strongly recommended that you use the default Harfbuzz shaper.

Since: 20211204-082213-a66c61ee9

The incomplete Allsorts shaper was removed.

font_size = 10.0

Specifies the size of the font, measured in points.

You may use fractional point sizes, such as 13.3, to fine tune the size.

The default font size is 10.0 points.

Since: 20210314-114017-04b7cedd

The default font size is now 12.0 points.

force_reverse_video_cursor = false

Since: 20210502-130208-bff6815d

When force_reverse_video_cursor = true, override the cursor_fg, cursor_bg, cursor_border settings from the color scheme and force the cursor to use reverse video colors based on the foreground and background colors.

When force_reverse_video_cursor = false (the default), cursor_fg, cursor_bg and cursor_border color scheme settings are applied as normal.

Since: 20220319-142410-0fcdea07

If escape sequences are used to change the cursor color, they will take precedence over force_reverse_video_cursor. In earlier releases, setting force_reverse_video_cursor = true always ignored the configured cursor color.

foreground_text_hsb

Since: 20210314-114017-04b7cedd

Configures a Hue, Saturation, Brightness transformation that is applied to monochrome glyphs.

The transform works by converting the RGB colors to HSV values and then multiplying the HSV by the numbers specified in foreground_text_hsb.

Modifying the hue changes the hue of the color by rotating it through the color wheel. It is not as useful as the other components, but is available "for free" as part of the colorspace conversion.

Modifying the saturation can add or reduce the amount of "colorfulness". Making the value smaller can make it appear more washed out.

Modifying the brightness can be used to dim or increase the perceived amount of light.

The range of these values is 0.0 and up; they are used to multiply the existing values, so the default of 1.0 preserves the existing component, whilst 0.5 will reduce it by half, and 2.0 will double the value.

return {
  -- This increases color saturation by 50%
  foreground_text_hsb = {
    hue = 1.0,
    saturation = 1.5,
    brightness = 1.0,
  }
}

demonstrating the appearance of the default value demonstrating setting saturating to 1.5 demonstrating setting brightness to 1.5 demonstrating setting hue to 1.5

freetype_interpreter_version

Selects the freetype interpret version to use. Possible values are 35, 38 and 40 which have different characteristics with respective to subpixel hinting. See https://freetype.org/freetype2/docs/subpixel-hinting.html

freetype_load_flags = "DEFAULT"

Since: 20210314-114017-04b7cedd

An advanced option to fine tune the freetype rasterizer. This is a bitfield, so you can combine one or more of these options together, separated by the | character, although not many of the available options necessarily make sense to be combined.

Available flags are:

  • DEFAULT - This is the default!
  • NO_HINTING - Disable hinting. This generally generates ‘blurrier’ bitmap glyph when the glyph is rendered in any of the anti-aliased modes.
  • NO_BITMAP - don't load any pre-rendered bitmap strikes
  • FORCE_AUTOHINT - Use the freetype auto-hinter rather than the font's native hinter.
  • MONOCHROME - instructs renderer to use 1-bit monochrome rendering. This option doesn't impact the hinter.
  • NO_AUTOHINT - don't use the freetype auto-hinter
return {
  -- You probably don't want to do this, but this demonstrates
  -- that the flags can be combined
  freetype_load_flags = "NO_HINTING|MONOCHROME"
}

freetype_load_target = "Normal"

Since: 20210314-114017-04b7cedd

Configures the hinting and (potentially) the rendering mode used with the freetype rasterizer. The following values are possible:

  • "Normal" - This corresponds to the default hinting algorithm, optimized for standard gray-level rendering. This is the default setting.
  • "Light" - A lighter hinting algorithm for non-monochrome modes. Many generated glyphs are more fuzzy but better resemble its original shape. A bit like rendering on Mac OS X.
  • "Mono" - Strong hinting algorithm that should only be used for monochrome output. The result is probably unpleasant if the glyph is rendered in non-monochrome modes.
  • "HorizontalLcd" - A subpixel-rendering variant of Normal optimized for horizontally decimated LCD displays.

See also freetype_render_target and freetype_load_flags for more advanced flags that can be primarily used to influence font hinting.

freetype_pcf_long_family_names = false

Since: 20220624-141144-bd1b7c5d

This option provides control over the no-long-family-names FreeType PCF font driver property.

The default is for this configuration to be false which sets the PCF driver to use the un-decorated font name. This corresponds to the default mode of operation of the freetype library.

Some Linux distributions build the freetype library in a way that causes the PCF driver to report font names differently; instead of reporting just Terminus it will prefix the font name with the foundry (xos4 in the case of Terminus) and potentially append Wide to the name if the font has wide glyphs. The purpose of that configuration option is to disambiguate fonts, as there are a number of fonts from different foundries that all have the name Fixed, and being presented with multiple items with the same Fixed label is a very ambiguous user experience.

When two different applications have differing values for this long family names property, they will face inconsistencies in resolving fonts by name as they will disagree on what the name of a given PCF font is.

When should you set this option to true?

If all of the following are true, then you should set this option to true:

  • You need to use PCF fonts and you need to use fontconfig to resolve their names to font files.
  • You are using a Linux distribution that builds their FreeType library with PCF_CONFIG_OPTION_LONG_FAMILY_NAMES defined.

Note that PCF fonts are a legacy font format and you will be better served by OTF, TTF or OTB (open type binary) file formats.

Why doesn't wezterm use the distro FreeType or match its configuration?

For the sake of consistency, wezterm vendors in its own copy of the latest version FreeType and builds that same version on all platforms. The result is that font-related behaviors in a given version of wezterm are the same on all platforms regardless of what (potentially old) version of FreeType may be provided by the distribution.

Not only does this provide consistency at runtime, but it is much simpler to reason about at build time, making it simpler to build wezterm on all systems.

freetype_render_target = "Normal"

Since: 20210502-130208-bff6815d

Configures the rendering mode used with the freetype rasterizer.

The default is to use the value of freetype_load_target.

You may wish to override that value if you want very fine control over how freetype hints and then renders glyphs.

For example, this configuration uses light hinting but produces subpixel-antialiased glyph bitmaps:

return {
  freetype_load_target = "Light",
  freetype_render_target = "HorizontalLcd",
}

front_end = "OpenGL"

Specifies which render front-end to use. This option used to have more scope in earlier versions of wezterm, but today it allows two possible values:

  • OpenGL - use GPU accelerated rasterization (this is the default)
  • Software - use CPU-based rasterization.

You may wish (or need!) to select Software if there are issues with your GPU/OpenGL drivers.

WezTerm will automatically select Software if it detects that it is being started in a Remote Desktop environment on Windows.

harfbuzz_features

When font_shaper = "Harfbuzz", this setting affects how font shaping takes place.

See Font Shaping for more information and examples.

hide_tab_bar_if_only_one_tab = false

If set to true, when there is only a single tab, the tab bar is hidden from the display. If a second tab is created, the tab will be shown.

See also enable_tab_bar

hyperlink_rules

Defines rules to match text from the terminal output and generate clickable links.

See Hyperlinks for more information and examples.

ime_preedit_rendering

Since: 20220624-141144-bd1b7c5d

Control IME preedit rendering. IME preedit is an area that is used to display the string being preedited in IME. WezTerm supports the following IME preedit rendering.

  • "Builtin" - (Default) IME preedit is rendered by WezTerm itself

    "Builtin" rendering provides good look and feel for many IMEs, rendering the text using the same font as the terminal and works in concert with features like window:composition_status().

  • "System" - IME preedit is rendered by system

    "Builtin" rendering may truncate displaying of IME preedit at the end of window if IME preedit is very long because the rendering does not allow the IME preedit to overflow the window and does not wrap IME preedit to the next line. "System" rendering can be useful to avoid the truncated displaying of IME preedit but has a worse look and feel compared to "Builtin" rendering.

You can control IME preedit rendering in your configuraiton file:

return {
  ime_preedit_rendering = "System",
}

Otherwise, the default is "Builtin".

Note:

  • Changing ime_preedit_rendering usually requires re-launching WezTerm to take full effect.
  • In macOS, ime_preedit_rendering has effected nothing yet. IME preedit is always rendered by WezTerm itself.

initial_cols = 80

Together with initial_rows, configures the window size (window width) for newly created windows.

Specifies the width of a new window, expressed in character cells.

initial_rows = 24

Together with initial_cols, configures the window size (window height) for newly created windows.

Specifies the height of a new window, expressed in character cells.

key_map_preference = "Mapped"

Since: 20220408-101518-b908e2dd

Controls how keys without an explicit phys: or mapped: prefix are treated.

If key_map_preference = "Mapped" (the default), then mapped: is assumed. If key_map_preference = "Physical" then phys: is assumed.

Default key assignments also respect key_map_preference.

key_tables = {}

See the main Key Tables docs!

launch_menu

Since 20200503-171512-b13ef15f

You can define your own entries for the Launcher Menu using this configuration setting. The snippet below adds two new entries to the menu; one that runs the top program to monitor process activity and a second one that explicitly launches the bash shell.

Each entry in launch_menu is an instance of a SpawnCommand object.

return {
  launch_menu = {
    {
      args = {"top"},
    },
    {
      -- Optional label to show in the launcher. If omitted, a label
      -- is derived from the `args`
      label = "Bash",
      -- The argument array to spawn.  If omitted the default program
      -- will be used as described in the documentation above
      args = {"bash", "-l"},

      -- You can specify an alternative current working directory;
      -- if you don't specify one then a default based on the OSC 7
      -- escape sequence will be used (see the Shell Integration
      -- docs), falling back to the home directory.
      -- cwd = "/some/path"

      -- You can override environment variables just for this command
      -- by setting this here.  It has the same semantics as the main
      -- set_environment_variables configuration option described above
      -- set_environment_variables = { FOO = "bar" },
    },
  }
}

line_height = 1.0

Scales the computed line height to adjust the spacing between successive rows of text. The default line height is controlled by the font_size configuration option. If you feel that your chosen font feels too vertically cramped then you can set line_height = 1.2 to increase the vertical spacing by 20%. Conversely, setting line_height = 0.9 will decrease the vertical spacing by 10%.

See also: cell_width

min_scroll_bar_height = "0.5cell"

Since: 20220624-141144-bd1b7c5d

Controls the minimum size of the scroll bar "thumb".

The value can be a number to specify the number of pixels, or a string with a unit suffix:

  • "1px" - the px suffix indicates pixels, so this represents a 1 pixel value
  • "1pt" - the pt suffix indicates points. There are 72 points in 1 inch. The actual size this occupies on screen depends on the dpi of the display device.
  • "1cell" - the cell suffix indicates the height of the terminal cell, which in turn depends on the font size, font scaling and dpi.
  • "1%" - the % suffix indicates the size of the terminal portion of the display, which is computed based on the number of rows and the size of the cell.

You may use a fractional number such as "0.5cell" or numbers large than one such as "72pt".

mux_env_remove

Since: 20211204-082213-a66c61ee9

Specifies a list of environment variables that should be removed from the environment in the multiplexer server.

The intent is to clean up environment variables that might give the wrong impression of their operating environment to the various terminal sessions spawned by the multiplexer server.

The default value for this is:

return {
  mux_env_remove = {
    "SSH_AUTH_SOCK",
    "SSH_CLIENT",
    "SSH_CONNECTION",
  }
}

native_macos_fullscreen_mode = false

Specifies whether the ToggleFullScreen key assignment uses the native macOS full-screen application support or not.

The default is false which will simply (and very quickly!) toggle between a full screen window with no decorations and a regularly size window.

When true, transitioning to full screen will slowly animate the window moving to a full screen space on the monitor.

This option only has an effect when running on macOS.

pane_focus_follows_mouse = false

Since: 20210502-130208-bff6815d

When pane_focus_follows_mouse = true, moving the mouse pointer over an inactive pane will cause that pane to activate; this behavior is known as "focus follows mouse".

When pane_focus_follows_mouse = false (the default), you need to click on an inactive pane to activate it.

prefer_egl = true

Depending on the OS and windowing environment, there are a number of different ways to access the GPU.

This option controls whether wezterm should attempt to use EGL to configure the GPU.

Environmentprefer_egl=trueprefer_egl=false
Waylanduse wayland-eglNo effect: EGL is the only way to use the GPU
X11Use libEGL.soNo effect: EGL is the only way to use the GPU
macOSUse MetalANGLE libEGL.dylib if installed alongside the wezterm-gui executable. Some versions of wezterm shipped with this configuration which translated OpenGL calls to MetalUse Core OpenGL API (CGL). Since BigSur, CGL uses Metal APIs.
WindowsUse ANGLE to translate OpenGL calls to Direct3D, which makes wezterm more robust if you upgrade your graphics card drivers.Use the OpenGL implementation provided by your graphics card vendor

The default is true.

quick_select_alphabet

Since: 20210502-130208-bff6815d

Specify the alphabet used to produce labels for the items matched in quick select mode.

The default alphabet is "asdfqwerzxcvjklmiuopghtybn" which means that the first matching item from the bottom is labelled with an a, the second with s and so forth; these are easily accessible characters in a qwerty keyboard layout.

Keyboard LayoutSuggested Alphabet
qwerty"asdfqwerzxcvjklmiuopghtybn" (this is the default)
qwertz"asdfqweryxcvjkluiopmghtzbn"
azerty"qsdfazerwxcvjklmuiopghtybn"
dvorak"aoeuqjkxpyhtnsgcrlmwvzfidb"
colemak"arstqwfpzxcvneioluymdhgjbk"

quick_select_patterns

Since: 20210502-130208-bff6815d

Specify additional patterns to match when in quick select mode. This setting is a table listing out a set of regular expressions.

return {
  quick_select_patterns = {
    -- match things that look like sha1 hashes
    -- (this is actually one of the default patterns)
    "[0-9a-f]{7,40}",
  }
}

quote_dropped_files = "SpacesOnly"

Since: 20220624-141144-bd1b7c5d

Controls how file names are quoted (or not) when dragging and dropping. There are five possible values:

  • "None" - no quoting is performed, the file name is passed through as-is.
  • "SpacesOnly" - backslash-escape only spaces, leaving all other characters as-is. This is the default for non-Windows platforms.
  • "Posix" - use POSIX style shell word escaping.
  • "Windows" - use Windows style shell word escaping: double-quote filename with space characters in it, and leaving others as-is. This is the default on Windows.
  • "WindowsAlwaysQuoted" - like "Windows", while always double-quote the filename.

For example:

quote_dropped_filesfile namequoted result
"None"hello ($world)hello ($world)
"SpacesOnly"hello ($world)hello\ ($world)
"Posix"hello ($world)"hello (\$world)"
"Windows"hello ($world)"hello ($world)"
"WindowsAlwaysQuoted"hello ($world)"hello ($world)"

Drag and drop support for files is a platform dependent feature

PlatformSupported since
macOS20220624-141144-bd1b7c5d
Windows20220624-141144-bd1b7c5d
X11Not yet
Wayland20220624-141144-bd1b7c5d

scroll_to_bottom_on_input

When true (the default), the viewport will automatically scroll to the bottom of the scrollback when there is input to the terminal so that you can see what you are typing.

scrollback_lines = 3500

How many lines of scrollback you want to retain.

Learn more about scrollback

selection_word_boundary

Since: 20210203-095643-70a364eb

Configures the boundaries of a word, thus what is selected when doing a word selection with the mouse. (See mouse actions SelectTextAtMouseCursor & ExtendSelectionToMouseCursor with the mode argument set to Word)

Defaults to " \t\n{}[]()\"'`".

For example, to always include spaces and newline when selecting a word, but stop on punctuations:

return {
  selection_word_boundary = "{}[]()\"'`.,;:"
}

set_environment_variables

Specifies a map of environment variables that should be set when spawning new commands in the "local" domain. This configuration is consulted at the time that a program is launched. It is not possible to update the environment of a running program on any Operating System.

This is not used when working with remote domains.

See also: Launching Programs

show_tab_index_in_tab_bar = true

When set to true (the default), tab titles show their tab number (tab index) with a prefix such as 1:. When false, no numeric prefix is shown.

The tab_and_split_indices_are_zero_based setting controls whether numbering starts with 0 or 1.

show_update_window

When Wezterm checks for an update and detects a new version, this option controls whether a window is shown with information about the new available version and links to download/install it.

See check_for_updates for more information on the automatic update checks.

return {
  show_update_window = false,
}

skip_close_confirmation_for_processes_named

Since: 20210404-112810-b63a949d

This configuration specifies a list of process names that are considered to be "stateless" and that are safe to close without prompting when closing windows, panes or tabs.

When closing a pane wezterm will try to determine the processes that were spawned by the program that was started in the pane. If all of those process names match one of the names in the skip_close_confirmation_for_processes_named list then it will not prompt for closing that particular pane.

The default value for this setting is shown below:

return {
  skip_close_confirmation_for_processes_named = {
    "bash", "sh", "zsh", "fish", "tmux"
  }
}

Since: 20210814-124438-54e29167:

This option now also works on Windows (prior versions only worked on Linux and macOS), and the default value for this setting now includes some windows shell processes:

return {
  skip_close_confirmation_for_processes_named = {
        "bash",
        "sh",
        "zsh",
        "fish",
        "tmux",
        "nu",
        "cmd.exe",
        "pwsh.exe",
        "powershell.exe"
  }
}

Since: 20220101-133340-7edc5b5a

More advanced control over this behavior can be achieved by defining a mux-is-process-stateful event handler.

ssh_backend = "libssh"

Since: 20211204-082213-a66c61ee9

Sets which ssh backend should be used by default for the integrated ssh client.

Possible values are:

  • "Ssh2" - use libssh2
  • "LibSsh" - use libssh

Despite the naming, libssh2 is not a newer version of libssh, they are completely separate ssh implementations.

In prior releases, "Ssh2" was the only option. "LibSsh" is the default as it has broader support for newer keys and cryptography, and has clearer feedback about authentication events that require entering a passphrase.

ssh_domains

Configures SSH multiplexing domains. Read more about SSH Domains.

This option accepts a list of SshDomain objects.

status_update_interval = 1000

Since: 20210314-114017-04b7cedd

Specifies the number of milliseconds that need to elapse between triggering the update-right-status hook.

swallow_mouse_click_on_pane_focus = false

Since: 20210502-130208-bff6815d

When set to true, clicking on a pane will focus it.

When set to false (the default), clicking on a pane will focus it and then pass the click through to the application in the terminal.

swallow_mouse_click_on_window_focus

Since: 20220319-142410-0fcdea07

When set to true, clicking on a wezterm window will focus it.

When set to false,clickong on a wezterm window will focus it and then pass through the click to the pane where the swallow_mouse_click_on_pane_focus option will further modify mouse event processing.

The default is true on macOS but false on other systems.

swap_backspace_and_delete = false

When set to true, switch the interpretation of the Backspace and Delete keys such that Backspace generates Delete and vice versa.

tab_and_split_indices_are_zero_based = false

If true, show_tab_index_in_tab_bar uses a zero-based index. The default is false and the tab shows a one-based index.

tab_bar_at_bottom = false

Since: 20210502-130208-bff6815d

When tab_bar_at_bottom = true, the tab bar will be rendered at the bottom of the window rather than the top of the window.

The default is false.

tab_bar_style

Since: 20210814-124438-54e29167

new_tab_left, new_tab_right, new_tab_hover_left, new_tab_hover_right have been removed and replaced by the more flexible new_tab and new_tab_hover elements.

Since: 20210502-154244-3f7122cb

active_tab_left, active_tab_right, inactive_tab_left, inactive_tab_right, inactive_tab_hover_left, inactive_tab_hover_right have been removed and replaced by the more flexible format-tab-title event.

Since: 20210314-114017-04b7cedd

This config option allows styling the elements that appear in the tab bar. This configuration supplements the tab bar color options.

Styling in this context refers to how the edges of the tabs and the new tab button are rendered. The default is simply a space character but you can use any sequence of formatted text produced by the wezterm.format function.

The defaults for each of these styles is simply a space. For each element, the foreground and background colors are set as per the tab bar colors you've configured.

The available elements are:

  • active_tab_left, active_tab_right - the left and right sides of the active tab
  • inactive_tab_left, inactive_tab_right - the left and right sides of inactive tabs
  • inactive_tab_hover_left, inactive_tab_hover_right - the left and right sides of inactive tabs in the hover state
  • new_tab_left, new_tab_right - the left and right sides of the new tab + button
  • new_tab_hover_left, new_tab_hover_right - the left and right sides of the new tab + button in the hover state.

This example changes the tab edges to the PowerLine arrow symbols:

Demonstrating setting the styling of the left and right tab edges

local wezterm = require 'wezterm';

-- The filled in variant of the < symbol
local SOLID_LEFT_ARROW = utf8.char(0xe0b2)

-- The filled in variant of the > symbol
local SOLID_RIGHT_ARROW = utf8.char(0xe0b0)

return {
  tab_bar_style = {
    active_tab_left = wezterm.format({
      {Background={Color="#0b0022"}},
      {Foreground={Color="#2b2042"}},
      {Text=SOLID_LEFT_ARROW},
    }),
    active_tab_right = wezterm.format({
      {Background={Color="#0b0022"}},
      {Foreground={Color="#2b2042"}},
      {Text=SOLID_RIGHT_ARROW},
    }),
    inactive_tab_left = wezterm.format({
      {Background={Color="#0b0022"}},
      {Foreground={Color="#1b1032"}},
      {Text=SOLID_LEFT_ARROW},
    }),
    inactive_tab_right = wezterm.format({
      {Background={Color="#0b0022"}},
      {Foreground={Color="#1b1032"}},
      {Text=SOLID_RIGHT_ARROW},
    }),
  }
}

tab_max_width

Specifies the maximum width that a tab can have in the tab bar when using retro tab mode. It is ignored when using fancy tab mode.

Defaults to 16 glyphs in width.

return {
  tab_max_width = 16,
}

term = "xterm-256color"

What to set the TERM environment variable to. The default is xterm-256color, which should provide a good level of feature support without requiring the installation of additional terminfo data.

If you want to get the most application support out of wezterm, then you may wish to install a copy of the wezterm TERM definition:

tempfile=$(mktemp) \
  && curl -o $tempfile https://raw.githubusercontent.com/wez/wezterm/main/termwiz/data/wezterm.terminfo \
  && tic -x -o ~/.terminfo $tempfile \
  && rm $tempfile

You can then set term = "wezterm" in your .wezterm.lua config file.

Doing this will inform some software of newer, more advanced features such as colored underlines, styled underlines (eg: undercurl). If the system you are using has a relatively outdated ncurses installation, the wezterm terminfo will also enable italics and true color support.

If you are using WSL, wezterm will automatically populate WSLENV to properly set TERM, COLORTERM, TERM_PROGRAM and TERM_PROGRAM_VERSION in the environment when crossing between win32 and WSL environments. See this Microsoft blog post for more information on how WSLENV works.

If your package manager installed the terminfo data in a non-standard location, which will likely be the case if your are using nixpkgs/home-manager/NixOS, then you need to set TERMINFO_DIRS in the environment in order for applications to find it. The following snippet works if you installed wezterm.terminfo with nix into your user profile. Update the path to TERMINFO_DIRS to match the location on your system.

  set_environment_variables={
    TERMINFO_DIRS='/home/user/.nix-profile/share/terminfo',
    WSLENV='TERMINFO_DIRS'
  },
  term = "wezterm",

text_blink_ease_in = "Linear"

Since: 20220319-142410-0fcdea07

Specifies the easing function to use when computing the color for text that has the blinking attribute in the fading-in phase--when the text is fading from the background color to the foreground color.

See visual_bell for more information about easing functions.

See cursor_blink_rate to control the rate at which the cursor blinks.

text_blink_ease_out = "Linear"

Since: 20220319-142410-0fcdea07

Specifies the easing function to use when computing the color for text that has the blinking attribute in the fading-out phase--when the text is fading from the foreground color to the background color.

See visual_bell for more information about easing functions.

text_blink_rapid_ease_in = "Linear"

Since: 20220319-142410-0fcdea07

Specifies the easing function to use when computing the color for text that has the rapid blinking attribute in the fading-in phase--when the text is fading from the background color to the foreground color.

See visual_bell for more information about easing functions.

text_blink_rapid_ease_out = "Linear"

Since: 20220319-142410-0fcdea07

Specifies the easing function to use when computing the color for text that has the rapid blinking attribute in the fading-out phase--when the text is fading from the foreground color to the background color.

See visual_bell for more information about easing functions.

text_blink_rate

Since: 20210814-124438-54e29167

Specifies how often blinking text (normal speed) transitions between visible and invisible, expressed in milliseconds. Setting this to 0 disables slow text blinking. Note that this value is approximate due to the way that the system event loop schedulers manage timers; non-zero values will be at least the interval specified with some degree of slop.

return {
  text_blink_rate = 500
}

Since: 20220319-142410-0fcdea07

Blinking is no longer a binary blink, but interpolates between invisible and visible text using an easing function. See text_blink_ease_in and text_blink_ease_out for more information.

text_blink_rate_rapid

Since: 20210814-124438-54e29167

Specifies how often blinking text (rapid speed) transitions between visible and invisible, expressed in milliseconds. Setting this to 0 disables rapid text blinking. Note that this value is approximate due to the way that the system event loop schedulers manage timers; non-zero values will be at least the interval specified with some degree of slop.

return {
  text_blink_rate_rapid = 250
}

Since: 20220319-142410-0fcdea07

Blinking is no longer a binary blink, but interpolates between invisible and visible text using an easing function. See text_blink_rapid_ease_in and text_blink_rapid_ease_out for more information.

tls_clients

Configures TLS multiplexing domains. Read more about TLS Domains.

This option accepts a list of TlsDomainClient objects.

tls_servers

Configures TLS multiplexing domains. Read more about TLS Domains.

This option accepts a list of TlsDomainServer objects.

treat_east_asian_ambiguous_width_as_wide = false

Since: 20220624-141144-bd1b7c5d

Unicode defines a number of codepoints as having Ambiguous Width. These are characters whose width resolves differently according to context that is typically absent from the monospaced world of the terminal.

WezTerm will by default treat ambiguous width as occupying a single cell.

When treat_east_asian_ambiguous_width_as_wide = true WezTerm will treat them as being two cells wide.

Note that changing this setting may have consequences for layout in text UI applications if their expectation of width differs from your choice of configuration.

treat_left_ctrlalt_as_altgr = false

since: 20210314-114017-04b7cedd

If you are using a layout with an AltGr key, you may experience issues when running inside a VNC session, because VNC emulates the AltGr keypresses by sending plain Ctrl-Alt keys, which won't be understood as AltGr.

To fix this behavior you can tell WezTerm to treat left Ctrl-Alt keys as AltGr with the option treat_left_ctrlalt_as_altgr. Note that the key bindings using separate Ctrl and Alt won't be triggered anymore.

return {
  treat_left_ctrlalt_as_altgr = true
}

unicode_version = 9

Since: 20211204-082213-a66c61ee9

Specifies the version of unicode that will be used when interpreting the width/presentation of text.

This option exists because Unicode is an evolving specification that introduces new features and that occasionally adjusts how existing features should be handled.

For example, there were a number of unicode code points that had their width changed between Unicode version 8 and version 9. This wouldn't be an issue if all software was simultaneously aware of the change, but the reality is that there is a lot of older software out there, and that even if your local system is fully up to date, you might connect to a remote system vis SSH that is running applications that use a different version of unicode than your local system.

The impact of mismatching expectations of unicode width for a terminal emulator is that text columns may no longer line up as the application author expected, and/or that the cursor may appear to be in the wrong place when editing lines or text in shells or text editors.

The unicode_version option defaults to unicode version 9 as that is the most widely used version (from the perspective of width) at the time of writing, which means that the default experience has the lowest chance of mismatched expectations.

Unicode VersionImpact
8 (or lower)Some characters will be narrower than later versions
9-13Some characters will be wider than in Unicode 8
14 (or higher)Explicit Emoji or Text presentation selectors will be respected and make some characters wider or narrower than earlier versions, depending on the context

If you aggressively maintain all of your software to the latest possible versions then you may wish to set unicode_version = 14 to match the current (at the time of writing) version of Unicode. This will enable Emoji Presentation selectors to affect the presentation of certain emoji characters and alter their width in the terminal display.

If you'd like to use a higher default version but switch to a lower version when launching an older application, or when SSH'ing into a remote host, then you may be pleased to learn that wezterm also provides an escape sequence that allows the unicode version to be changed on the fly.

Unicode Version Escape sequence

This escape sequence is was originally defined by iTerm2. It supports setting the value as well as pushing and popping the value on a stack, which is helpful when temporarily adjusting the value.

OSC 1337 ; UnicodeVersion=N ST

The above sets the unicode version to N, where N is the integer version number.

OSC 1337 ; UnicodeVersion=push ST

Pushes the current version onto a stack.

OSC 1337 ; UnicodeVersion=pop ST

Pops the last-pushed version from the stack and sets the unicode version to that value. If there were no entries on the stack, the unicode version is left unchanged.

OSC 1337 ; UnicodeVersion=push LABEL ST

Pushes the current version onto a stack, labeling it with LABEL.

OSC 1337 ; UnicodeVersion=pop LABEL ST

Pops entries from the stack stopping after an entry labelled with LABEL is popped.

The labels are helpful when writing a wrapper alias, for example:

function run_with_unicode_version_9() {
  local label=$(uuidgen)
  printf "\e]1337;UnicodeVersion=push %s\e\\" $label
  printf "\e]1337;UnicodeVersion=9\e\\"
  eval $@
  local result=${PIPESTATUS[0]}
  printf "\e]1337;UnicodeVersion=pop %s\e\\" $label
  return $result
}

# Connect to a remote machine with an older version of unicode
run_with_unicode_version_9 ssh remote.machine

Will save the current version on the stack with a unique label, then set the version to 9 and spawn the requested command. When the command returns it will restore the saved version, even if the command itself set or pushed other values.

unix_domains

Defines a list of multiplexer domains for both the multiplexer server and multiplexer client.

Read more about multiplexing

unzoom_on_switch_pane = true

Since: 20211204-082213-a66c61ee9

If set to false, the ActivatePaneDirection command will have no effect if the active pane is zoomed.

If true, the active pane will be unzoomed first and then switched.

See also: TogglePaneZoomState

use_cap_height_to_scale_fallback_fonts = false

Since: 20210502-130208-bff6815d

When set to true, use the cap-height font metrics of the base and the current font to adjust the size of secondary fonts (such as bold or italic faces) to visually match the size of the base font.

The default is false.

use_fancy_tab_bar = true

Since: 20220101-133340-7edc5b5a

When set to true (the default), the tab bar is rendered in a native style with proportional fonts.

When set to false, the tab bar is rendered using a retro aesthetic using the main terminal font.

use_ime

Controls whether the Input Method Editor (IME) will be used to process keyboard input. The IME is useful for inputting kanji or other text that is not natively supported by the attached keyboard hardware.

IME support is a platform dependent feature

PlatformSupported sinceNotes
WindowsForeverAlways enabled, cannot be disabled
macOS20200113-214446-bb6251fdefaults to enabled starting in 20220319-142410-0fcdea07. Earlier versions had problems with key repeat when enabled
X1120211204-082213-a66c61ee9XIM based. Your system needs to have a running input method engine (such as ibus or fcitx) that support the XIM protocol in order for wezterm to use it.
WaylandNightly builds onlyYour compositor must support zwp_text_input_v3

You can control whether the IME is enabled in your configuration file:

return {
  use_ime = false,
}

Changing use_ime usually requires re-launching WezTerm to take full effect.

Since: 20200620-160318-e00b076c

The default for use_ime is false. The default in earlier releases was true.

Since: 20220101-133340-7edc5b5a

The default for X11 systems is now true. Please ensure that the XMODIFIERS environment variable or the new xim_im_name configuration option is set appropriately before wezterm is launched! For example, Gnome users will probably want to set XMODIFIERS=@im=ibus.

Since: 20220319-142410-0fcdea07

The default for all systems is now true

use_resize_increments = false

Since: 20211204-082213-a66c61ee9

When set to true, prefer to snap the window size to a multiple of the terminal cell size. The default is false, which allows sizing the window to an arbitrary size.

This option is only respected on X11, Wayland and macOS systems.

Note that if you have configured window_padding then the resize increments don't take the padding into account.

visual_bell

Since: 20211204-082213-a66c61ee9

When the BEL ascii sequence is sent to a pane, the bell is "rung" in that pane.

You may choose to configure the visual_bell option so show a visible representation of the bell event, by having the background color of the pane briefly change color.

There are four fields to the visual_bell config option:

  • fade_in_duration_ms - how long it should take for the bell color to fade in, in milliseconds. The default is 0.
  • fade_out_duration_ms - how long it should take for the bell color to fade out, in milliseconds. The default is 0.
  • fade_in_function - an easing function, similar to CSS easing functions, that affects how the bell color is faded in.
  • fade_out_function - an easing function that affects how the bell color is faded out.
  • target - can be "BackgroundColor" (the default) to have the background color of the terminal change when the bell is rung, or "CursorColor" to have the cursor color change when the bell is rung.

If the total fade in and out durations are 0, then there will be no visual bell indication.

The bell color is itself specified in your color settings; if not specified, the text foreground color will be used.

The following easing functions are supported:

  • Linear - the fade happens at a constant rate.
  • Ease - The fade starts slowly, accelerates sharply, and then slows gradually towards the end. This is the default.
  • EaseIn - The fade starts slowly, and then progressively speeds up until the end, at which point it stops abruptly.
  • EaseInOut - The fade starts slowly, speeds up, and then slows down towards the end.
  • EaseOut - The fade starts abruptly, and then progressively slows down towards the end.
  • {CubicBezier={0.0, 0.0, 0.58, 1.0}} - an arbitrary cubic bezier with the specified parameters.
  • Constant - Evaluates as 0 regardless of time. Useful to implement a step transition at the end of the duration. (Since: 20220408-101518-b908e2dd)

The following configuration enables a low intensity visual bell that takes a total of 300ms to "flash" the screen:

return {
  visual_bell = {
    fade_in_function = "EaseIn",
    fade_in_duration_ms = 150,
    fade_out_function = "EaseOut",
    fade_out_duration_ms = 150,
  },
  colors = {
    visual_bell = "#202020"
  },
}

The follow configuration make the cursor briefly flare when the bell is run:

return {
  visual_bell = {
    fade_in_duration_ms = 75,
    fade_out_duration_ms = 75,
    target = "CursorColor",
  },
}

See also audible_bell and bell event.

warn_about_missing_glyphs = true

Since: 20210502-130208-bff6815d

When set to true, if a glyph cannot be found for a given codepoint, then the configuration error window will be shown with a pointer to the font configuration docs.

You can set warn_about_missing_glyphs = false to prevent the configuration error window from being displayed.

The default is warn_about_missing_glyphs = true.

window_background_gradient

Since: 20210814-124438-54e29167

Dynamically generates a window_background_image from the provided gradient specification. When window_background_gradient is configured, the value for window_background_image is ignored.

Linear gradients with vertical or horizontal orientation are supported:

return {
  window_background_gradient = {
    -- Can be "Vertical" or "Horizontal".  Specifies the direction
    -- in which the color gradient varies.  The default is "Horizontal",
    -- with the gradient going from left-to-right.
    -- Linear and Radial gradients are also supported; see the other
    -- examples below
    orientation = "Vertical",

    -- Specifies the set of colors that are interpolated in the gradient.
    -- Accepts CSS style color specs, from named colors, through rgb
    -- strings and more
    colors = {
      "#0f0c29",
      "#302b63",
      "#24243e"
    },

    -- Instead of specifying `colors`, you can use one of a number of
    -- predefined, preset gradients.
    -- A list of presets is shown in a section below.
    -- preset = "Warm",

    -- Specifies the interpolation style to be used.
    -- "Linear", "Basis" and "CatmullRom" as supported.
    -- The default is "Linear".
    interpolation = "Linear",

    -- How the colors are blended in the gradient.
    -- "Rgb", "LinearRgb", "Hsv" and "Oklab" are supported.
    -- The default is "Rgb".
    blend = "Rgb",

    -- To avoid vertical color banding for horizontal gradients, the
    -- gradient position is randomly shifted by up to the `noise` value
    -- for each pixel.
    -- Smaller values, or 0, will make bands more prominent.
    -- The default value is 64 which gives decent looking results
    -- on a retina macbook pro display.
    -- noise = 64,

    -- By default, the gradient smoothly transitions between the colors.
    -- You can adjust the sharpness by specifying the segment_size and
    -- segment_smoothness parameters.
    -- segment_size configures how many segments are present.
    -- segment_smoothness is how hard the edge is; 0.0 is a hard edge,
    -- 1.0 is a soft edge.

    -- segment_size = 11,
    -- segment_smoothness = 0.0,
  },
}

Gradients are implemented using the colorgrad crate. Take a look at https://github.com/mazznoer/colorgrad-rs#using-web-color-format for some usage examples and additional information about gradients.

Linear gradient:

Since: 20220624-141144-bd1b7c5d

A linear gradient follows a linear path across the window. It can be rotated around the window center. The angle is described in degrees and moves counter clockwise in the positive direction.

So 0 degrees is equivalent to Horizontal with the gradient moving from left to right. 90 degrees is equivalent to Vertical with the gradient moving from bottom to top. 180 degrees is equivalent to Horizontal but with the gradient moving from right to left. 270 degrees is equivalent to Vertical but with the gradient going from top to bottom. Negative degrees are equivalent to going clockwise, so -45 is equivalent to 315 degrees and results in a gradient that is moving from the top left corner down to the bottom right corner.

return {
  window_background_gradient = {
    colors = { "#EEBD89", "#D13ABD" },
    -- Specifices a Linear gradient starting in the top left corner.
    orientation = { Linear = { angle = -45.0 } },
  }
}

Radial gradient:

Radial gradients are implemented using a notional perfect circle that is subsequently stretched to fill the dimensions of the window.

return {
  color_scheme = "Github",
  window_background_gradient = {
     colors = {"deeppink", "gold"},
     orientation = {
       Radial={
         -- Specifies the x coordinate of the center of the circle,
         -- in the range 0.0 through 1.0.  The default is 0.5 which
         -- is centered in the X dimension.
         cx = 0.75,

         -- Specifies the y coordinate of the center of the circle,
         -- in the range 0.0 through 1.0.  The default is 0.5 which
         -- is centered in the Y dimension.
         cy = 0.75,

         -- Specifies the radius of the notional circle.
         -- The default is 0.5, which combined with the default cx
         -- and cy values places the circle in the center of the
         -- window, with the edges touching the window edges.
         -- Values larger than 1 are possible.
         radius = 1.25,
       }
     },
  }
}

Presets

The following presets are available:

PresetGradient
Blues
BrBg
BuGn
BuPu
Cividis
Cool
CubeHelixDefault
GnBu
Greens
Greys
Inferno
Magma
OrRd
Oranges
PiYg
Plasma
PrGn
PuBu
PuBuGn
PuOr
PuRd
Purples
Rainbow
RdBu
RdGy
RdPu
RdYlBu
RdYlGn
Reds
Sinebow
Spectral
Turbo
Viridis
Warm
YlGn
YlGnBu
YlOrBr
YlOrRd

window_close_confirmation

Whether to display a confirmation prompt when the window is closed by the windowing environment, either because the user closed it with the window decorations, or instructed their window manager to close it.

Set this to "NeverPrompt" if you don't like confirming closing windows every time.

return {
  window_close_confirmation = "AlwaysPrompt",
}

See also skip_close_confirmation_for_processes_named.

Note that this window_close_confirmation option doesn't apply to the default CTRL-SHIFT-W or CMD-w key assignments; if you want to change prompts for those, you will need to override the key shortcut as shown in the CloseCurrentTab documentation.

window_decorations = "TITLE | RESIZE"

Since 20210314-114017-04b7cedd

Configures whether the window has a title bar and/or resizable border.

The value is a set of of flags:

  • window_decorations = "NONE" - disables titlebar and border (borderless mode)
  • window_decorations = "TITLE" - disable the resizable border and enable only the title bar
  • window_decorations = "RESIZE" - disable the title bar but enable the resizable border
  • window_decorations = "TITLE | RESIZE" - Enable titlebar and border. This is the default.

On X11 and Wayland, the windowing system may override the window decorations.

When the titlebar is disabled you can drag the window using the tab bar if it is enabled, or by holding down SUPER and dragging the window (on Windows: CTRL-SHIFT and drag the window). You can map this dragging function for yourself via the StartWindowDrag key assignment. Note that if the pane is running an application that has enabled mouse reporting you will need to hold down the SHIFT modifier in order for StartWindowDrag to be recognized.

When the resizable border is disabled you will need to use features of your desktop environment to resize the window. Windows users may wish to consider AltSnap.

window_frame

Since: 20210814-124438-54e29167

This setting is applicable only on Wayland systems when client side decorations are in use.

It allows you to customize the colors of the window frame.

return {
  window_frame = {
    inactive_titlebar_bg = "#353535",
    active_titlebar_bg = "#2b2042",
    inactive_titlebar_fg = "#cccccc",
    active_titlebar_fg = "#ffffff",
    inactive_titlebar_border_bottom = "#2b2042",
    active_titlebar_border_bottom = "#2b2042",
    button_fg = "#cccccc",
    button_bg = "#2b2042",
    button_hover_fg = "#ffffff",
    button_hover_bg = "#3b3052",
  }
}

window_padding

Controls the amount of padding between the window border and the terminal cells.

Padding is measured in pixels.

If enable_scroll_bar is true, then the value you set for right will control the width of the scrollbar. If you have enabled the scrollbar and have set right to 0 then the right padding (and thus the scrollbar width) will instead match the width of a cell.

return {
  window_padding = {
    left = 2,
    right = 2,
    top = 0,
    bottom = 0,
  }
}

Since: 20211204-082213-a66c61ee9

You may now express padding using a number of different units by specifying a string value with a unit suffix:

  • "1px" - the px suffix indicates pixels, so this represents a 1 pixel value
  • "1pt" - the pt suffix indicates points. There are 72 points in 1 inch. The actual size this occupies on screen depends on the dpi of the display device.
  • "1cell" - the cell suffix indicates the size of the terminal cell, which in turn depends on the font size, font scaling and dpi. When used for width, the width of the cell is used. When used for height, the height of the cell is used.
  • "1%" - the % suffix indicates the size of the terminal portion of the display, which is computed based on the number of rows/columns and the size of the cell. While it is possible to specify percentage, there are some resize scenarios where the percentage value may not be 100% stable/deterministic, as the size of the padding is used to compute the number of rows/columns.

You may use a fractional number such as "0.5cell" or numbers large than one such as "72pt".

The default padding is shown below. In earlier releases, the default padding was 0 for each of the possible edges.

return {
  window_padding = {
    left = "1cell",
    right = "1cell",
    top = "0.5cell",
    bottom = "0.5cell",
  }
}

wsl_domains

Since: 20220319-142410-0fcdea07

Configures WSL domains.

This option accepts a list of WslDomain objects.

The default is a list derived from parsing the output of wsl -l -v. See wezterm.default_wsl_domains() for more about that list, and on how to override it.

xim_im_name

Since: 20220101-133340-7edc5b5a

Explicitly set the name of the IME server to which wezterm will connect via the XIM protocol when using X11 and use_ime is true.

By default, this option is not set which means that wezterm will consider the value of the XMODIFIERS environment variable.

If for some reason the environment isn't set up correctly, or you want to quickly evaluate a different input method server, then you could update your config to specify it explicitly:

return {
  xim_im_name = "fcitx",
}

will cause wezterm to connect to fcitx regardless of the value of XMODIFIERS.

KeyAssignment enumeration

A KeyAssignment represents a pre-defined function that can be applied to control the Window, Tab, Pane state typically when a key or mouse event is triggered.

Internally, in the underlying Rust code, KeyAssignment is an enum type with a variant for each possible action known to wezterm. In Lua, enums get represented as a table with a single key corresponding to the variant name.

In most cases the wezterm.action function is used to create an instance of KeyAssignment and make it a bit more clear and convenient.

Available Key Assignments

ActivateCopyMode

since: 20200607-144723-74889cd4

Activates copy mode!

return {
  keys = {
    {key="X", mods="CTRL", action=wezterm.action.ActivateCopyMode},
  }
}

Learn more about copy mode

ActivateKeyTable

Since: 20220408-101518-b908e2dd

Activates a named key table.

See Key Tables for a detailed example.

The following parameters are possible:

  • name - the name of the table to activate. The name must match up to an entry in the key_tables configuration.
  • timeout_milliseconds - an optional duration expressed in milliseconds. If specified, then the activation will automatically expire and pop itself from the key table stack once that duration elapses. If omitted, this activation will not expire due to time.
  • one_shot - an optional boolean that controls whether the activation will pop itself after a single additional key press. The default if left unspecified is one_shot=true. When set to false, pressing a key will not automatically pop the activation and you will need to use either a timeout or an explicit key assignment that triggers PopKeyTable to cancel the activation.
  • replace_current - an optional boolean. Defaults to false if unspecified. If set to true then behave as though PopKeyTable was triggered before pushing this new activation on the stack. This is most useful for key assignments in a table that was activated using one_shot=false.
  • until_unknown - an optional boolean. Defaults to false if unspecified. If set to true then a key press that doesn't match any entries in the named key table will implicitly pop this entry from the stack. This can be used together with timeout_milliseconds. (Since: nightly builds only)

ActivateLastTab

Since: 20210404-112810-b63a949d

Activate the last active tab. If there is none, it will do nothing.

return {
  leader = { key="a", mods="CTRL" },
  keys = {
    -- CTRL-a, followed by CTRL-o will switch back to the last active tab
    {key="o", mods="LEADER|CTRL", action=wezterm.action.ActivateLastTab},
  }
}

ActivatePaneByIndex

Since: 20220319-142410-0fcdea07

ActivatePaneByIndex activates the pane with the specified index within the current tab. Invalid indices are ignored.

This example causes ALT-a, ALT-b, ALT-c to switch to the 0th, 1st and 2nd panes, respectively:

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    {key="a", mods="ALT", action=act.ActivatePaneByIndex(0)},
    {key="b", mods="ALT", action=act.ActivatePaneByIndex(1)},
    {key="c", mods="ALT", action=act.ActivatePaneByIndex(2)},
  }
}

ActivatePaneDirection

Since: 20201031-154415-9614e117

ActivatePaneDirection activate an adjacent pane in the specified direction. In cases where there are multiple adjacent panes in the intended direction, wezterm will choose the pane that has the largest edge intersection.

If the active pane is zoomed, behavior is determined by the unzoom_on_switch_pane flag. 

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    { key = "LeftArrow", mods="CTRL|SHIFT",
      action=act.ActivatePaneDirection("Left")},
    { key = "RightArrow", mods="CTRL|SHIFT",
      action=act.ActivatePaneDirection("Right")},
    { key = "UpArrow", mods="CTRL|SHIFT",
      action=act.ActivatePaneDirection("Up")},
    { key = "DownArrow", mods="CTRL|SHIFT",
      action=act.ActivatePaneDirection("Down")},
  }
}

Since: 20220101-133340-7edc5b5a

You may now use "Next" and "Prev" as directions. These cycle through the panes according to their position in the pane tree.

"Next" moves to the next highest pane index, wrapping around to 0 if the active pane is already the highest pane index.

"Prev" moves to the next lowest pane index, wrapping around to the highest of the active pane is already the lowest pane index.

ActivateTab

Activate the tab specified by the argument value. eg: 0 activates the leftmost tab, while 1 activates the second tab from the left, and so on.

since: 20200620-160318-e00b076c

ActivateTab now accepts negative numbers; these wrap around from the start of the tabs to the end, so -1 references the right-most tab, -2 the tab to its left and so on.

local wezterm = require 'wezterm'
local act = wezterm.action

local mykeys = {}
for i = 1, 8 do
  -- CTRL+ALT + number to activate that tab
  table.insert(mykeys, {
    key=tostring(i),
    mods="CTRL|ALT",
    action=act.ActivateTab(i-1),
  })
  -- F1 through F8 to activate that tab
  table.insert(mykeys, {
    key="F" .. tostring(i),
    action=act.ActivateTab(i-1),
  })
end

return {
  keys = mykeys,
}

ActivateTabRelative

Activate a tab relative to the current tab. The argument value specifies an offset. eg: -1 activates the tab to the left of the current tab, while 1 activates the tab to the right.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    {key="{", mods="ALT", action=act.ActivateTabRelative(-1)},
    {key="}", mods="ALT", action=act.ActivateTabRelative(1)},
  }
}

See also ActivateTabRelativeNoWrap

ActivateTabRelativeNoWrap

Since: 20220101-133340-7edc5b5a

Activate a tab relative to the current tab. The argument value specifies an offset. eg: -1 activates the tab to the left of the current tab, while 1 activates the tab to the right.

This is almost identical to ActivateTabRelative but this one will not wrap around; for example, if the first tab is active ActivateTabRelativeNoWrap=-1 will not move to the last tab and vice versa.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    {key="{", mods="ALT", action=act.ActivateTabRelativeNoWrap(-1)},
    {key="}", mods="ALT", action=act.ActivateTabRelativeNoWrap(1)},
  }
}

AdjustPaneSize

Since: 20201031-154415-9614e117

AdjustPaneSize manipulates the size of the active pane, allowing the size to be adjusted by an integer amount in a specific direction.

If the pane is on the right hand side of a split and you adjust the size left by 1 then the split grows larger by 1 cell by expanding its size to the left. The pane to its left is reduced in size by 1 cell to accommodate the growth. If you were to adjust this same right hand side right by 1 cell, then the pane will shrink by 1 cell and move the split 1 cell to the right.

Here's a sample configuration that uses CTRL-A H to increase the size of the active pane by 5 cells in the left direction. The other vi style motion keys are used to adjust the size in their conventional directions, respectively.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  leader = { key="a", mods="CTRL" },
  keys = {
    { key = "H", mods = "LEADER", action=act.AdjustPaneSize{"Left", 5} },
    { key = "J", mods = "LEADER", action=act.AdjustPaneSize{"Down", 5} },
    { key = "K", mods = "LEADER", action=act.AdjustPaneSize{"Up", 5} },
    { key = "L", mods = "LEADER", action=act.AdjustPaneSize{"Right", 5} },
 }
}

AttachDomain(domain_name)

Since: 20220624-141144-bd1b7c5d

Attempts to attach the named multiplexing domain. The name can be any of the names used in you ssh_domains, unix_domains or tls_clients configurations.

Attaching a domain will attempt to import the windows, tabs and panes from the remote system into those of the local GUI.

If there are no remote panes in that domain, wezterm will spawn a default program into it.

This action is not bound to any keys by default. The Launcher Menu (default: right click on the new tab + button in the tab bar) will synthesize entries with this action.

The example below shows how to bind a key to trigger attaching to an ssh domain:

local wezterm = require 'wezterm'

return {
  ssh_domains = {
    {
      name = "devhost",
      remote_address = "devhost.example.com",
    }
  },
  keys = {
    {key="U", mods="CTRL|SHIFT", action=wezterm.action.AttachDomain("devhost")},
  },
}

See also: DetachDomain

ClearKeyTableStack

Since: 20220408-101518-b908e2dd

Clears the entire key table stack.

Note that this is triggered implicitly when the configuration is reloaded.

ClearScrollback

Clears the lines that have scrolled off the top of the viewport, resetting the scrollbar thumb to the full height of the window.

since: 20210203-095643-70a364eb

Added a parameter that allows additionally clear the viewport:

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    -- Clears only the scrollback and leaves the viewport intact.
    -- This is the default behavior.
    {key="K", mods="CTRL|SHIFT", action=act.ClearScrollback("ScrollbackOnly")},
    -- Clears the scrollback and viewport leaving the prompt line the new first line.
    {key="K", mods="CTRL|SHIFT", action=act.ClearScrollback("ScrollbackAndViewport")},
  }
}

ClearSelection

Since: 20220624-141144-bd1b7c5d

Clears the selection in the current pane.

This example shows how to rebind CTRL-C to copy to the clipboard when there is a selection present (clearing it afterwards) or sending CTRL-C to the terminal when there is no selection:

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    {
      key="c",
      mods="CTRL",
      action = wezterm.action_callback(function(window, pane)
        local has_selection = window:get_selection_text_for_pane(pane) ~= ""
        if has_selection then
          window:perform_action(
            act.CopyTo("ClipboardAndPrimarySelection"),
            pane,
          )

          window:perform_action(act.ClearSelection, pane)
        else
          window:perform_action(
            act.SendKey{key="c", mods="CTRL"},
            pane,
          )
        end
      end)
    }
  }
}

CloseCurrentPane

Closes the current pane. If that was the last pane in the tab, closes the tab. If that was the last tab, closes that window. If that was the last window, wezterm terminates.

The act of closing a pane shuts down the PTY associated with the pane and then kills the process associated with that pane.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="w", mods="CMD", action=wezterm.action.CloseCurrentPane{confirm=true}},
  }
}

When confirm is true, an overlay will render over the pane to ask you to confirm whether you want to close it. See also skip_close_confirmation_for_processes_named.

If confirm is false then this action will immediately close the pane without prompting.

CloseCurrentTab

Closes the current tab, terminating all contained panes. If that was the last tab, closes that window. If that was the last window, wezterm terminates.

return {
  keys = {
    {key="w", mods="CMD", action=wezterm.action.CloseCurrentTab{confirm=true}},
  }
}

When confirm is true, an overlay will render over the tab to ask you to confirm whether you want to close it. See also skip_close_confirmation_for_processes_named.

If confirm is false then this action will immediately close the tab and terminates its panes without prompting.

CompleteSelection

Completes an active text selection process; the selection range is marked closed and then the selected text is copied as though the Copy action was executed.

since: 20210203-095643-70a364eb

CompleteSelection now requires a destination parameter to specify which clipboard buffer the selection will populate; the copy action is now equivalent to CopyTo.

local wezterm = require 'wezterm';

return {
  mouse_bindings = {
    -- Change the default click behavior so that it only selects
    -- text and doesn't open hyperlinks, and that it populates
    -- the Clipboard rather the PrimarySelection which is part
    -- of the default assignment for a left mouse click.
    {
      event={Up={streak=1, button="Left"}},
      mods="NONE",
      action=wezterm.action.CompleteSelection("Clipboard"),
    },
  },
}

CompleteSelectionOrOpenLinkAtMouseCursor

If a selection is in progress, acts as though CompleteSelection was triggered. Otherwise acts as though OpenLinkAtMouseCursor was triggered.

since: 20210203-095643-70a364eb

CompleteSelectionOrOpenLinkAtMouseCursor now requires a destination parameter to specify which clipboard buffer the selection will populate. The copy action is now equivalent to CopyTo.

local wezterm = require 'wezterm';

return {
  mouse_bindings = {
    -- Change the default click behavior so that it populates
    -- the Clipboard rather the PrimarySelection.
    {
      event={Up={streak=1, button="Left"}},
      mods="NONE",
      action=wezterm.action.CompleteSelectionOrOpenLinkAtMouseCursor("Clipboard"),
    },
  },
}

Copy

Copy the selection to the clipboard.

since: 20210203-095643-70a364eb

This action is considered to be deprecated and will be removed in a future release; please use CopyTo instead.

Example

local wezterm = require 'wezterm'
return {
  keys = {
    {key="C", mods="CTRL", action=wezterm.action.Copy},
  }
}

CopyTo(destination)

Copy the selection to the specified clipboard buffer.

Possible values for destination are:

  • Clipboard - copy the text to the system clipboard.
  • PrimarySelection - Copy the text to the primary selection buffer (applicable to X11 and some Wayland systems only)
  • ClipboardAndPrimarySelection - Copy to both the clipboard and the primary selection.
local wezterm = require 'wezterm'

return {
  keys = {
    {key="C", mods="CTRL", action=wezterm.action.CopyTo("ClipboardAndPrimarySelection")},
  }
}

Since: 20220319-142410-0fcdea07

PrimarySelection is now also supported on Wayland systems that support primary-selection-unstable-v1 or the older Gtk primary selection protocol.

DecreaseFontSize

Decreases the font size of the current window by 10%

local wezterm = require 'wezterm'

return {
  keys = {
    {key="-", mods="CTRL", action=wezterm.action.DecreaseFontSize},
  }
}

DetachDomain(domain)

Since: 20220624-141144-bd1b7c5d

Attempts to detach the specified domain. Detaching a domain causes it to disconnect and remove its set of windows, tabs and panes from the local GUI. Detaching does not cause those panes to close; if or when you later attach to the domain, they'll still be there.

Not every domain supports detaching, and will log an error to the error log/debug overlay.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  ssh_domains = {
    {
      name = "devhost",
      remote_address = "devhost.example.com",
    }
  },
  keys = {
    {key="U", mods="CTRL|SHIFT", action=act.AttachDomain("devhost")},
    -- Detaches the domain associated with the current pane
    {key="D", mods="CTRL|SHIFT", action=act.DetachDomain("CurrentPaneDomain")},
    -- Detaches the "devhost" domain
    {key="E", mods="CTRL|SHIFT", action=act.DetachDomain{DomainName="devhost"}},
  },
}

See also: AttachDomain

DisableDefaultAssignment

Has no special meaning of its own; this action will undo the registration of a default assignment if that key/mouse/modifier combination is one of the default assignments and cause the key press to be propagated through to the tab for processing.

local wezterm = require 'wezterm'

return {
  keys = {
    -- Turn off the default CMD-m Hide action, allowing CMD-m to
    -- be potentially recognized and handled by the tab
    {key="m", mods="CMD", action=wezterm.action.DisableDefaultAssignment},
  }
}

EmitEvent

Since: 20201031-154415-9614e117

This action causes the equivalent of wezterm.emit(name, window, pane) to be called in the context of the current pane.

See the Custom Events example for a detailed example of using this action.

ExtendSelectionToMouseCursor

Extends the current text selection to the current mouse cursor position. The mode argument can be one of Cell, Word or Line to control the scope of the selection.

Since: 20220624-141144-bd1b7c5d

The mode argument can also be "Block" to enable a rectangular block selection.

local wezterm = require "wezterm"

return {
  mouse_bindings = {
    {
      event={Up={streak=1, button="Left"}},
      mods="SHIFT",
      action=wezterm.action.ExtendSelectionToMouseCursor("Word"),
    },
  }
}

Hide

Hides (or minimizes, depending on the platform) the current window.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="h", mods="CMD", action=wezterm.action.Hide},
  }
}

HideApplication

On macOS, hide the WezTerm application.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="h", mods="CMD", action=wezterm.action.HideApplication},
  }
}

IncreaseFontSize

Increases the font size of the current window by 10%

local wezterm = require 'wezterm'

return {
  keys = {
    {key="=", mods="CTRL", action=wezterm.action.IncreaseFontSize},
  }
}

MoveTab

Move the tab so that it has the index specified by the argument. eg: 0 moves the tab to be leftmost, while 1 moves the tab so that it is second tab from the left, and so on.

local wezterm = require 'wezterm'

local mykeys = {}
for i = 1, 8 do
  -- CTRL+ALT + number to move to that position
  table.insert(mykeys, {
    key=tostring(i),
    mods="CTRL|ALT",
    action=wezterm.action.MoveTab(i - 1),
  })
end

return {
  keys = mykeys,
}

MoveTabRelative

Move the current tab relative to its peers. The argument specifies an offset. eg: -1 moves the tab to the left of the current tab, while 1 moves the tab to the right.

local wezterm = require 'wezterm'
local act = wezterm.act

return {
  keys = {
    {key="{", mods="SHIFT|ALT", action=act.MoveTabRelative(-1)},
    {key="}", mods="SHIFT|ALT", action=act.MoveTabRelative(1)},
  }
}

Multiple

Since: 20211204-082213-a66c61ee9

Performs a sequence of multiple assignments. This is useful when you want a single key press to trigger multiple actions.

The example below causes LeftArrow to effectively type left:

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    {key="LeftArrow", action=act.Multiple{
      act.SendKey{key="l"},
      act.SendKey{key="e"},
      act.SendKey{key="f"},
      act.SendKey{key="t"}
    }}
  }
}

Nop

Causes the key press to have no effect; it behaves as though those keys were not pressed.

If instead of this you want the key presses to pass through to the terminal, look at DisableDefaultAssignment.

local wezterm = require 'wezterm'

return {
  keys = {
    -- Turn off any side effects from pressing CMD-m
    {key="m", mods="CMD", action=wezterm.action.Nop},
  }
}

OpenLinkAtMouseCursor

If the current mouse cursor position is over a cell that contains a hyperlink, this action causes that link to be opened.

local wezterm = require 'wezterm'

return {
  mouse_bindings = {
    -- Ctrl-click will open the link under the mouse cursor
    {
      event={Up={streak=1, button="Left"}},
      mods="CTRL",
      action=wezterm.action.OpenLinkAtMouseCursor,
    },
  },
}

PaneSelect

Since: 20220624-141144-bd1b7c5d

This action activates the pane selection modal display. In this mode, each pane will be overlayed with a one- or two-character label taken from the selection alphabet.

Typing the label will select the pane, take an action and exit selection mode. Pressing Escape or CTRL-g will exit pane selection mode without taking any action.

The available actions are:

  • mode="Activate" - activate the selected pane. This is the default mode.
  • mode="SwapWithActive" - swap the position of the active pane with the selected pane

The selection alphabet defaults to the same value as quick_select_alphabet, but can be explicitly via the alphabet field:

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  -- 36 is the default, but you can choose a different size
  -- pane_select_font_size=36,

  keys = {
    -- activate pane selection mode with the default alphabet (labels are "a", "s", "d", "f" and so on)
    {key="8", mods="CTRL", action=act.PaneSelect},
    -- activate pane selection mode with numeric labels
    {key="9", mods="CTRL", action=act.PaneSelect{alphabet="1234567890"}},
    -- show the pane selection mode, but have it swap the active and selected panes
    {key="0", mods="CTRL", action=act.PaneSelect{mode="SwapWithActive"}},
  }
}

See also RotatePanes.

Paste

Paste the clipboard to the current pane.

since: 20210203-095643-70a364eb

This action is considered to be deprecated and will be removed in a future release; please use PasteFrom instead.

Example

local wezterm = require 'wezterm'

return {
  keys = {
    {key="v", mods="SHIFT|CTRL", action=wezterm.action.Paste},
  },

  -- Middle mouse button pastes the clipboard.
  -- Note that this is the default so you needn't copy this.
  mouse_bindings = {
    {
      event={Up={streak=1, button="Middle"}},
      mods="NONE",
      action=wezterm.action.Paste,
    },
  }
}

PasteFrom(source)

Paste the specified clipboard to the current pane.

This is only really meaningful on X11 and some Wayland systems that have multiple clipboards.

Possible values for source are:

  • Clipboard - paste from the system clipboard
  • PrimarySelection - paste from the primary selection buffer

See also Paste.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    -- paste from the clipboard
    {key="V", mods="CTRL", action=act.PasteFrom("Clipboard")},

    -- paste from the primary selection
    {key="V", mods="CTRL", action=act.PasteFrom("PrimarySelection")},
  },
}

Since: 20220319-142410-0fcdea07

PrimarySelection is now also supported on Wayland systems that support primary-selection-unstable-v1 or the older Gtk primary selection protocol.

PastePrimarySelection

X11: Paste the Primary Selection to the current tab. On other systems, this behaves identically to Paste.

since: 20210203-095643-70a364eb

This action is considered to be deprecated and will be removed in a future release; please use PasteFrom instead.

Example

local wezterm = require 'wezterm'
local act = wezterm.act

return {
  keys = {
    {key="v", mods="SHIFT|CTRL", action=act.PastePrimarySelection},
  },

  -- Middle mouse button pastes the primary selection.
  mouse_bindings = {
    {
      event={Up={streak=1, button="Middle"}},
      mods="NONE",
      action=act.PastePrimarySelection,
    },
  }
}

PopKeyTable

Since: 20220408-101518-b908e2dd

Pops the current key table, if any, from the activation stack.

See Key Tables for a detailed example.

QuickSelect

Since: 20210502-130208-bff6815d

Activates Quick Select Mode.

local wezterm = require 'wezterm'

return {
  keys = {
    {key=" ", mods="SHIFT|CTRL", action=wezterm.action.QuickSelect},
  }
}

See also QuickSelectArgs

QuickSelectArgs

Since: 20220101-133340-7edc5b5a

Activates Quick Select Mode but with the option to override the global configuration.

This example shows how to pop up a quick select that is scoped solely to a very basic http regex; it will only match those regexes regardless of the default or the quick_select_patterns configuration:

local wezterm = require 'wezterm'

return {
  keys = {
    {key="P", mods="CTRL",
     action=wezterm.action.QuickSelectArgs{
       patterns={
          "https?://\\S+"
       },
     }
   },
  },
}

The QuickSelectArgs struct allows for the following fields:

  • patterns - if present, completely overrides the normal set of patterns and uses only the patterns specified
  • alphabet - if present, this alphabet is used instead of quick_select_alphabet
  • action - if present, this key assignment action is performed as if by window:perform_action when an item is selected. The normal clipboard action is NOT performed in this case.
  • label - if present, replaces the string "copy" that is shown at the bottom of the overlay; you can use this to indicate which action will happen if you are using action.

Here's an example that shows how to trigger some lua code to operate on the quick-selected text, instead of copying it to the clipboard. Here, we open the selected URL using the web browser:

local wezterm = require 'wezterm'

return {
  keys = {
    {key="P", mods="CTRL",
     action=wezterm.action.QuickSelectArgs{
       label = "open url",
       patterns={
          "https?://\\S+"
       },
       action = wezterm.action_callback(function(window, pane)
          local url = window:get_selection_text_for_pane(pane)
          wezterm.log_info("opening: " .. url)
          wezterm.open_with(url)
       end)
     }
   },
  },
}

See also wezterm.open_with.

QuitApplication

Terminate the WezTerm application, killing all tabs.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="q", mods="CMD", action=wezterm.action.QuitApplication},
  }
}

ReloadConfiguration

Explicitly reload the configuration.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="r", mods="CMD|SHIFT", action=wezterm.action.ReloadConfiguration},
  }
}

ResetFontAndWindowSize

Since: 20210314-114017-04b7cedd

Reset both the font size and the terminal dimensions for the current window to the values specified by your font, initial_rows, and initial_cols configuration.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="0", mods="CTRL", action=wezterm.action.ResetFontAndWindowSize},
  }
}

ResetFontSize

Reset the font size for the current window to the value in your configuration

local wezterm = require 'wezterm'

return {
  keys = {
    {key="0", mods="CTRL", action=wezterm.action.ResetFontSize},
  }
}

RotatePanes

Since: 20220624-141144-bd1b7c5d

Rotates the sequence of panes within the active tab, preserving the sizes based on the tab positions.

Panes within a tab have an ordering that follows the creation order of the splits.

As an example, if you have three panes created in sequence using horizontal splits, their indices from left to right are 0, 1, 2:

|--------|----|----|
|   0    |  1 |  2 |
|--------|----|----|

If you perform a clockwise rotation on that tab, the indices are rearranged so that the panes are now 2, 0, 1.

|--------|----|----|
|   2    |  0 |  1 |
|--------|----|----|

If you instead perform a counter-clockwise rotation then the indices are rearranged so that the panes are now 1, 2, 0

|--------|----|----|
|   1    |  2 |  0 |
|--------|----|----|

The sizes of original positions are preserved; as you can see from the examples above, the left-most pane is still the largest of the panes despite rotating the panes withing those placements.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    {key="b", mods="CTRL", action=act.RotatePanes("CounterClockwise")},
    {key="n", mods="CTRL", action=act.RotatePanes("Clockwise")},
  },
}

See also PaneSelect.

ScrollByLine

Since: 20210314-114017-04b7cedd

Adjusts the scroll position by the number of lines specified by the argument. Negative values scroll upwards, while positive values scroll downwards.

local wezterm = require 'wezterm';
local act = wezterm.action

return {
  keys = {
    {key="UpArrow", mods="SHIFT", action=act.ScrollByLine(-1)},
    {key="DownArrow", mods="SHIFT", action=act.ScrollByLine(1)},
  }
}

ScrollByPage

Adjusts the scroll position by the number of pages specified by the argument. Negative values scroll upwards, while positive values scroll downwards.

local wezterm = require 'wezterm'
local act = wezterm.act

return {
  keys = {
    {key="PageUp", mods="SHIFT", action=act.ScrollByPage(-1)},
    {key="PageDown", mods="SHIFT", action=act.ScrollByPage(1)},
  }
}

Since: 20220319-142410-0fcdea07

You may now use floating point values to scroll by partial pages. This example shows how to make the PageUp/PageDown scroll by half a page at a time:

local wezterm = require 'wezterm';

return {
  keys = {
    {key="PageUp", mods="SHIFT", action=act.ScrollByPage(-0.5)},
    {key="PageDown", mods="SHIFT", action=act.ScrollByPage(0.5)},
  }
}

ScrollToBottom

Since: 20220101-133340-7edc5b5a

This action scrolls the viewport to the bottom of the scrollback.

ScrollToPrompt

Since: 20210203-095643-70a364eb

This action operates on Semantic Zones defined by applications that use OSC 133 Semantic Prompt Escapes and requires configuring your shell to emit those sequences.

OSC 133 escapes allow marking regions of output as Output (from the commands that you run), Input (that you type) and Prompt ("chrome" from your shell).

This action allows scrolling to the start of a Prompt zone; it takes an argument that specifies the number of zones to move and the direction to move in; -1 means to move to the previous zone while 1 means to move to the next zone.

This can make it convenient to skip over large amounts of output.

This action is not bound by default.

For the purposes of scrolling, the "current zone" is considered to be the one closest to the top of the viewport.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    {key="UpArrow", mods="SHIFT", action=act.ScrollToPrompt(-1)},
    {key="DownArrow", mods="SHIFT", action=act.ScrollToPrompt(1)},
  }
}

ScrollToTop

Since: 20220101-133340-7edc5b5a

This action scrolls the viewport to the top of the scrollback.

Search

since: 20200607-144723-74889cd4

This action will trigger the search overlay for the current tab. It accepts a typed pattern string as its parameter, allowing for Regex, CaseSensitiveString and CaseInSensitiveString as pattern matching types.

The supported regular expression syntax is described here.

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    -- search for things that look like git hashes
    {key="H", mods="SHIFT|CTRL", action=act.Search{Regex="[a-f0-9]{6,}"}},
    -- search for the lowercase string "hash" matching the case exactly
    {key="H", mods="SHIFT|CTRL", action=act.Search{CaseSensitiveString="hash"}},
    -- search for the string "hash" matching regardless of case
    {key="H", mods="SHIFT|CTRL", action=act.Search{CaseInSensitiveString="hash"}},
  },
}

Learn more about the search overlay

since: 20220624-141144-bd1b7c5d

You may now use wezterm.action.Search("CurrentSelectionOrEmptyString") to have the search take the currently selected text as the item to search.

The selection text is adjusted to be a single line.

SelectTextAtMouseCursor

Initiates selection of text at the current mouse cursor position. The mode argument can be one of Cell, Word or Line to control the scope of the selection.

Since: 20210203-095643-70a364eb

The mode argument can be SemanticZone which causes the selection to take the surrounding semantic zone.

In this example, the triple-left-click mouse action is set to automatically select the entire command output when clicking on any character withing that region:

local wezterm = require 'wezterm'

return {
  mouse_bindings = {
    { event={Down={streak=3, button="Left"}},
      action=wezterm.action.SelectTextAtMouseCursor("SemanticZone"),
      mods="NONE"
    },
  },
}

See Shell Integration docs for more details on how to set up your shell to define semantic zones.

Since: 20220624-141144-bd1b7c5d

The mode argument can also be "Block" to enable a rectangular block selection.

SendKey

Since: 20211204-082213-a66c61ee9

Send the specified key press to the current pane. This is useful to rebind the effect of a key combination.

Note that this rebinding effect only applies to the input that is about to be sent to the pane; it doesn't get re-evaluated against the key assignments you've configured in wezterm again.

For example, macOS users often prefer to rebind Option+LeftArrow and Option+RightArrow to match the behavior of Terminal.app, where those key sequences are remapped to ALT-b and ALT-f which generally causes the the cursor to move backwards or forwards by one word in most common unix shells and applications.

The following configuration achieves that same effect:

local wezterm = require 'wezterm'
local act = wezterm.act

return {
  keys = {
     -- Rebind OPT-Left, OPT-Right as ALT-b, ALT-f respectively to match Terminal.app behavior
     {key="LeftArrow", mods="OPT", action=act.SendKey{key="b", mods="ALT"}},
     {key="RightArrow", mods="OPT", action=act.SendKey{key="f", mods="ALT"}},
  }
}

See also Multiple for combining multiple actions in a single press.

SendString

Sends the string specified argument to the terminal in the current tab, as though that text were literally typed into the terminal.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="m", mods="CMD", action=wezterm.action.SendString("Hello")},
  }
}

You can also emit escape sequences using SendString. This example shows how to bind Alt-LeftArrow/RightArrow to the Alt-b/f, an emacs style keybinding for moving backwards/forwards through a word in a line editor.

\x1b is the ESC character:

local wezterm = require 'wezterm'
local act = wezterm.action

return {
  keys = {
    -- Make Option-Left equivalent to Alt-b which many line editors interpret as backward-word
    {key="LeftArrow", mods="OPT", action=act.SendString("\x1bb")},
    -- Make Option-Right equivalent to Alt-f; forward-word
    {key="RightArrow", mods="OPT", action=act.SendString("\x1bf")},
  }
}

See also SendKey which makes the example above much more convenient, and Multiple for combining multiple actions in a single press.

Show

Shows the current window.

ShowDebugOverlay

Since: 20210814-124438-54e29167

Overlays the current tab with the debug overlay, which is a combination of a debug log and a lua REPL.

The REPL has the following globals available:

  • wezterm - the wezterm module is pre-imported
  • window - the window object for the current window

The lua context in the REPL is not connected to any global state; you cannot use it to dynamically assign event handlers for example. It is primarily useful for prototyping lua snippets before you integrate them fully into your config.

local wezterm = require 'wezterm'

return {
  keys = {
    -- CTRL-SHIFT-l activates the debug overlay
    {key="L", mods="CTRL", action=wezterm.action.ShowDebugOverlay},
  }
}

ShowLauncher

Activate the Launcher Menu in the current tab.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="l", mods="ALT", action=wezterm.action.ShowLauncher},
  }
}

ShowLauncherArgs

Since: 20220319-142410-0fcdea07

Activate the Launcher Menu in the current tab, scoping it to a set of items and with an optional title.

The arguments are a lua table with the following keys:

  • flags - required; the set of flags that specifies what to show in the launcher
  • title - optional; the title to show in the tab while the launcher is active

The possible flags are:

  • "FUZZY" - activate in fuzzy-only mode. By default the launcher will allow using the number keys to select from the first few items, as well as vi movement keys to select items. Pressing / will enter fuzzy filtering mode, allowing you to type a search term and reduce the set of matches. When you use the "FUZZY" flag, the launcher activates directly in fuzzy filtering mode.
  • "TABS" - include the list of tabs from the current window
  • "LAUNCH_MENU_ITEMS" - include the launch_menu items
  • "DOMAINS" - include multiplexing domains
  • "KEY_ASSIGNMENTS" - include items taken from your key assignments
  • "WORKSPACES" - include workspaces

The flags can be joined together using a | character, so "TABS|DOMAINS" is an example of a set of flags that will include both tabs and domains in the list.

This example shows how to make ALT-9 activate the launcher directly in fuzzy matching mode, and have it show only tabs:

local wezterm = require 'wezterm'

return {
  keys = {
    {key="9", mods="ALT", action=wezterm.action.ShowLauncherArgs{flags="FUZZY|TABS"}},
  },
}

ShowTabNavigator

Activate the tab navigator UI in the current tab. The tab navigator displays a list of tabs and allows you to select and activate a tab from that list.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="F9", mods="ALT", action=wezterm.action.ShowTabNavigator},
  }
}

SpawnCommandInNewTab

Spawn a new tab into the current window. The argument is a SpawnCommand struct that is discussed in more detail in the SpawnCommand docs.

local wezterm = require 'wezterm'

return {
  keys = {
    -- CMD-y starts `top` in a new window
    {key="y", mods="CMD", action=wezterm.action.SpawnCommandInNewTab{
      args={"top"}
    }},
  }
}

SpawnCommandInNewWindow

Spawn a new tab into a brand new window. The argument is a SpawnCommand struct that is discussed in more detail in the SpawnCommand docs.

local wezterm = require 'wezterm'

return {
  keys = {
    -- CMD-y starts `top` in a new window
    {key="y", mods="CMD", action=wezterm.action.SpawnCommandInNewWindow{
      args={"top"}
    }},
  }
}

SpawnTab

Create a new tab in the current window. The argument defines to which domain the tab belongs:

local wezterm = require 'wezterm'
local act = wezterm.act

return {
  keys = {
    -- Create a new tab in the same domain as the current pane.
    -- This is usually what you want.
    {key="t", mods="SHIFT|ALT", action=act.SpawnTab("CurrentPaneDomain")},
    -- Create a new tab in the default domain
    {key="t", mods="SHIFT|ALT", action=act.SpawnTab("DefaultDomain")},
    -- Create a tab in a named domain
    {key="t", mods="SHIFT|ALT", action=act.SpawnTab{DomainName="unix"}},
  }
}

SpawnWindow

Create a new window containing a tab from the default tab domain.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="n", mods="SHIFT|CTRL", action=wezterm.action.SpawnWindow},
  }
}

SplitHorizontal

Since: 20201031-154415-9614e117

Splits the current pane in half horizontally such that the current pane becomes the left half and the new right half spawns a new command.

local wezterm = require 'wezterm'

return {
  keys = {
    -- This will create a new split and run your default program inside it
    {key="%", mods="CTRL|SHIFT|ALT",
      action=wezterm.action.SplitHorizontal{domain="CurrentPaneDomain"}},
  }
}

SplitHorizontal requires a SpawnCommand parameter to specify what should be spawned into the new split.

local wezterm = require 'wezterm'

return {
  keys = {
    -- This will create a new split and run the `top` program inside it
    {key="%", mods="CTRL|SHIFT|ALT", action=wezterm.action.SplitHorizontal{
      args={"top"}
    }},
  }
}

See also: SplitPane.

SplitPane

Since: 20220624-141144-bd1b7c5d

Splits the active pane in a particular direction, spawning a new command into the newly created pane.

This assignment has a number of fields that control the overall action:

  • direction - can be one of "Up", "Down", "Left", "Right". Specifies where the new pane will end up. This field is required.
  • size - controls the size of the new pane. Can be {Cells=10} to specify eg: 10 cells or {Percent=50} to specify 50% of the available space. If omitted, {Percent=50} is the default
  • command - the SpawnCommand that specifies what program to launch into the new pane. If omitted, the default_prog is used
  • top_level - if set to true, rather than splitting the active pane, the split will be made at the root of the tab and effectively split the entire tab across the full extent possible. The default is false.
local wezterm = require 'wezterm'

return {
  keys = {
    -- This will create a new split and run the `top` program inside it
    {key="%", mods="CTRL|SHIFT|ALT", action=wezterm.action.SplitPane{
      direction="Left",
      command={args={"top"}},
      size={Percent=50},
    }},
  }
}

See also: SplitHorizontal, SplitVertical and wezterm cli split-pane --help.

SplitVertical

Since: 20201031-154415-9614e117

Splits the current pane in half vertically such that the current pane becomes the top half and the new bottom half spawns a new command.

local wezterm = require 'wezterm'

return {
  keys = {
    -- This will create a new split and run your default program inside it
    {key="\"", mods="CTRL|SHIFT|ALT",
      action=wezterm.action.SplitVertical{domain="CurrentPaneDomain"}},
  }
}

SplitVertical requires a SpawnCommand parameter to specify what should be spawned into the new split.

local wezterm = require 'wezterm';

return {
  keys = {
    -- This will create a new split and run the `top` program inside it
    {key="\"", mods="CTRL|SHIFT|ALT", action=wezterm.action.SplitVertical{
      args={"top"}
    }},
  }
}

See also: SplitPane.

StartWindowDrag

since: 20210314-114017-04b7cedd

Places the window in the drag-to-move state, which means that the window will move to follow your mouse pointer until the mouse button is released.

By default this is bound to SUPER + left mouse drag, as well as CTRL-SHIFT + left mouse drag.

local wezterm = require 'wezterm'

return {
  mouse_bindings = {
    {
      event={Drag={streak=1, button="Left"}},
      mods="SUPER",
      action=wezterm.action.StartWindowDrag
    },
    {
      event={Drag={streak=1, button="Left"}},
      mods="CTRL|SHIFT",
      action=wezterm.action.StartWindowDrag
    },
  }
}

SwitchToWorkspace

Since: 20220319-142410-0fcdea07

Switch to a different workspace, creating it if it doesn't already exist.

SwitchToWorkspace accepts two optional parameters:

  • name - the name of the workspace. If omitted, a randomly generated name will be chosen.
  • spawn - a SpawnCommand describing the command that should be started in the workspace if it doesn't already exist. If omitted, the default program will be spawned in the newly created workspace.
local wezterm = require 'wezterm'
local act = wezterm.action

wezterm.on("update-right-status", function(window, pane)
  window:set_right_status(window:active_workspace())
end)

return {
  keys = {
    -- Switch to the default workspace
    {key="y", mods="CTRL|SHIFT", action=act.SwitchToWorkspace{
      name = "default"
    }},
    -- Switch to a monitoring workspace, which will have `top` launched into it
    {key="u", mods="CTRL|SHIFT", action=act.SwitchToWorkspace{
      name = "monitoring",
      spawn = {
        args = {"top"},
      }
    }},
    -- Create a new workspace with a random name and switch to it
    {key="i", mods="CTRL|SHIFT", action=act.SwitchToWorkspace},
    -- Show the launcher in fuzzy selection mode and have it list all workspaces
    -- and allow activating one.
    {key="9", mods="ALT", action=act.ShowLauncherArgs{
      flags="FUZZY|WORKSPACES"
    }},
  },
}

SwitchWorkspaceRelative

Since: 20220319-142410-0fcdea07

Switch to the workspace relative to the current workspace. Workspaces are ordered lexicographically based on their names.

The argument value specifies an offset. eg: -1 switches to the workspace immediately prior to the current workspace, while 1 switches to the workspace immediately following the current workspace.

This example binds CTRL-N and CTRL-P to move forwards, backwards through workspaces. It shows the active workspace in the title bar. The launcher menu can be used to create workspaces.

local wezterm = require 'wezterm'
local act = wezterm.action

wezterm.on("update-right-status", function(window, pane)
  window:set_right_status(window:active_workspace())
end)

return {
  keys = {
    {key="9", mods="ALT", action=act.ShowLauncherArgs{flags="FUZZY|WORKSPACES"}},
    {key="n", mods="CTRL", action=act.SwitchWorkspaceRelative(1)},
    {key="p", mods="CTRL", action=act.SwitchWorkspaceRelative(-1)},
  },
}

ToggleFullScreen

Toggles full screen mode for the current window.

local wezterm = require 'wezterm'

return {
  keys = {
    {key="n", mods="SHIFT|CTRL", action=wezterm.action.ToggleFullScreen},
  }
}

TogglePaneZoomState

Since: 20201031-154415-9614e117

Toggles the zoom state of the current pane. A Zoomed pane takes up all available space in the tab, hiding all other panes while it is zoomed. Switching its zoom state off will restore the prior split arrangement.

local wezterm = require 'wezterm'

return {
  keys = {
    { key = "Z", mods="CTRL", action=wezterm.action.TogglePaneZoomState },
  }
}

See also: unzoom_on_switch_pane

ExecDomain

Since: nightly builds only

An ExecDomain defines a local-execution multiplexer domain. In simple terms, rather than directly executing the requested program, an ExecDomain allows you wrap up that command invocation by passing it through some other process.

For example, if you wanted to make it more convenient to work with tabs and panes inside a docker container, you might want to define an ExecDomain that causes the commands to be run via docker exec. While you could just ask wezterm to explicitly spawn a command that runs docker exec, you would also need to adjust the default key assignments for splitting panes to know about that preference. Using an ExecDomain allows that preference to be associated with the pane so that things work more intuitively.

Defining an ExecDomain

You must use the wezterm.exec_domain function to define a domain. It accepts the following parameters:

wezterm.exec_domain(NAME, FIXUP [, LABEL])
  • name - uniquely identifies the domain. Must be different from any other multiplexer domains.
  • fixup - a lua function that will be called to fixup the requested command and return the revised command
  • label - optional. Can be either a string to serve as a label in the Launcher Menu, or a lua function that will return the label.

fixup

The simplest fixup function looks like this:

function(cmd)
  return cmd
end

The cmd parameter is a SpawnCommand that contains information about the command that is to be executed. This will either be something that the user configured as a key assignment or will be an equivalent generated in response to a request to spawn a new tab or split a pane.

It is expected that your fixup function will adjust the various fields of the provided command and then return it. The adjusted command is what wezterm will execute in order to satisfy the user's request to spawn a new program.

label

The label is visible in the Launcher Menu. You may set it a static string or set it to a lua callback. The default behavior is equivalent to this callback function definition:

-- domain_name is the same name you used as the first parameter to
-- wezterm.exec_domain()
function(domain_name)
  return domain_name
end

Using a callback function allows you to produce an amended label just in time for the launcher menu to be rendered. That is useful for example to adjust it to represent some status information. If you were defining an ExecDomain for a docker container or VM, then you could have the label reflect whether it is currently running.

Both the static string and the generated string may include escape sequences that affect the styling of the text. You may wish to use wezterm.format() to manage that.

Example: Running commands in their own systemd scope

local wezterm = require 'wezterm'

-- Equivalent to POSIX basename(3)
-- Given "/foo/bar" returns "bar"
-- Given "c:\\foo\\bar" returns "bar"
local function basename(s)
  return string.gsub(s, "(.*[/\\])(.*)", "%2")
end

return {
  exec_domains = {
    -- Defines a domain called "scoped" that will run the requested
    -- command inside its own individual systemd scope.
    -- This defines a strong boundary for resource control and can
    -- help to avoid OOMs in one pane causing other panes to be
    -- killed.
    wezterm.exec_domain("scoped", function(cmd)
      -- The "cmd" parameter is a SpawnCommand object.
      -- You can log it to see what's inside:
      wezterm.log_info(cmd)

      -- Synthesize a human understandable scope name that is
      -- (reasonably) unique. WEZTERM_PANE is the pane id that
      -- will be used for the newly spawned pane.
      -- WEZTERM_UNIX_SOCKET is associated with the wezterm
      -- process id.
      local env = cmd.set_environment_variables
      local ident = "wezterm-pane-" .. env.WEZTERM_PANE .. "-on-" .. basename(env.WEZTERM_UNIX_SOCKET)

      -- Generate a new argument array that will launch a
      -- program via systemd-run
      local wrapped = {
        '/usr/bin/systemd-run',
        '--user',
        '--scope',
        '--description=Shell started by wezterm',
        '--same-dir',
        '--collect',
        '--unit=' .. ident,
      }

      -- Append the requested command
      -- Note that cmd.args may be nil; that indicates that the
      -- default program should be used. Here we're using the
      -- shell defined by the SHELL environment variable.
      for _, arg in ipairs(cmd.args or {os.getenv("SHELL")}) do
        table.insert(wrapped, arg)
      end

      -- replace the requested argument array with our new one
      cmd.args = wrapped

      -- and return the SpawnCommand that we want to execute
      return cmd
    end),
  },

  -- Making the domain the default means that every pane/tab/window
  -- spawned by wezterm will have its own scope
  default_domain = "scoped",
}

Example: docker domains

Fully working example is yet to be completely fleshed out (volunteers welcome!) but the gist of it is:

local wezterm = require 'wezterm'

function docker_list()
  -- Use wezterm.run_child_process to run
  -- `docker container ls --format '{{.ID}}:{{.Names}}'` and parse
  -- the output and return a mapping from ID -> name
end

function make_docker_fixup_func(id)
  return function(cmd)
    cmd.args = cmd.args or {"/bin/bash"}
    local wrapped = {
      "docker",
      "exec",
      "-it",
      id,
    }
    for _, arg in ipairs(cmd.args) do
      table.insert(wrapped, arg)
    end

    cmd.args = wrapped
    return cmd
  end
end

function make_docker_label_func(id)
  return function(name)
    -- TODO: query the container state and show info about
    -- whether it is running or stopped.
    -- If it stopped, you may wish to change the color to red
    -- to make it stand out
    return wezterm.format{
      {Foreground={AnsiColor="Red"}},
      {Text="docker container named " .. name}
    }
  end
end

local exec_domains = {}
for id, name in pairs(docker_list()) do
  table.insert(exec_domains,
    wezterm.exec_domain("docker: " .. name,
      make_docker_fixup_func(id),
      make_docker_label_func(id)
    )
  )
end

return {
  exec_domains = exec_domains
}

With something like the config above, each time the config is reloaded, the list of available domains will be updated.

Opening the launcher menu will show them and their status and allow you to launch programs inside those containers.

LocalProcessInfo

Since: 20220101-133340-7edc5b5a

LocalProcessInfo represents a process running on the local machine.

It has the following fields:

  • pid - the process id
  • ppid - the parent process id
  • name - a short name for the process. Due to platform limitations, this may be inaccurate and truncated; you probably should prefer to look at the executable or argv fields instead of this one
  • status - a string holding the status of the process; it can be Idle, Run, Sleep, Stop, Zombie, Tracing, Dead, Wakekill, Waking, Parked, LockBlocked, Unknown.
  • argv - a table holding the argument array for the process
  • executable - the full path to the executable image for the process (may be empty)
  • cwd - the current working directory for the process (may be empty)
  • children - a table keyed by child process id and whose values are themselves LocalProcessInfo objects that describe the child processes

See mux-is-process-stateful and pane:get_foreground_process_info()

MuxWindow

Since: 20220624-141144-bd1b7c5d

MuxWindow represents a window that is managed by the multiplexer.

It has the following methods:

window:get_title()

Since: nightly builds only

Returns the window title as set by OSC 0, OSC 2 in a contained pane, or through window:set_title().

window:get_workspace()

Since: 20220624-141144-bd1b7c5d

Returns the name of the workspace to which the window belongs.

window:gui_window()

Since: nightly builds only

Attempts to resolve this mux window to its corresponding Gui Window.

This may not succeed for a couple of reasons:

  • If called by the multiplexer daemon, there is no gui, so this will never succeed
  • If the mux window is part of a workspace that is not the active workspace

This method is the inverse of window:mux_window.

window:set_title(TITLE)

Since: nightly builds only

Sets the window title to the provided string. Note that applications may subsequently change the title via escape sequences.

window:set_title("my title")

window:set_workspace("something")

Since: 20220624-141144-bd1b7c5d

Changes the name of the workspace to which the window belongs.

window:spawn_tab{}

Since: 20220624-141144-bd1b7c5d

Spawns a program into a new tab within this window, returning the MuxTab, MuxPane and MuxWindow objects associated with it:

local tab, pane, window = window:spawn_tab{}

When no arguments are passed, the default program is spawned.

The following parameters are supported:

args

Specifies the argument array for the command that should be spawned. If omitted the default program for the domain will be spawned.

window:spawn_tab{args={"top"}}

cwd

Specify the current working directory that should be used for the program.

If unspecified, follows the rules from default_cwd

window:spawn_tab{cwd="/tmp"}

set_environment_variables

Sets additional environment variables in the environment for this command invocation.

window:spawn_tab{set_environment_variables={"FOO"="BAR"}}

domain

Specifies the multiplexer domain into which the program should be spawned. The default value is assumed to be "CurrentPaneDomain", which causes the domain from the currently active pane to be used.

You may specify the name of one of the multiplexer domains defined in your configuration using the following:

window:spawn_tab{domain={DomainName="my.name"}}

window:tabs()

Since: nightly builds only

Returns an array table holding each of the MuxTab objects contained within this window.

window:tabs_with_info()

Since: nightly builds only

Returns an array table holding an extended info entry for each of the tabs contained within this window.

Each element is a lua table with the following fields:

  • index - the 0-based tab index
  • is_active - a boolean indicating whether this is the active tab within the window
  • tab - the MuxTab object

window:window_id()

Since: 20220624-141144-bd1b7c5d

Returns the window multiplexer id.

MuxTab

Since: 20220624-141144-bd1b7c5d

MuxTab represents a tab that is managed by the multiplexer.

It has the following methods:

tab:tab_id()

Returns the tab id

tab:get_title()

Since: nightly builds only

Returns the tab title as set by tab:set_title().

tab:set_title(TITLE)

Since: nightly builds only

Sets the tab title to the provided string.

tab:set_title("my title")

tab:window()

Since: nightly builds only

Returns the MuxWindow object that contains this tab.

tab:panes()

Since: nightly builds only

Returns an array table containing the set of MuxPane objects contained by this tab.

tab:panes_with_info()

Since: nightly builds only

Returns an array table containing an extended info entry for each of the panes contained by this tab.

Each element is a lua table with the following fields:

  • index - the topological pane index
  • is_active - a boolean indicating whether this is the active pane withing the tab
  • is_zoomed - a boolean indicating whether this pane is zoomed
  • left - The offset from the top left corner of the containing tab to the top left corner of this pane, in cells.
  • top - The offset from the top left corner of the containing tab to the top left corner of this pane, in cells.
  • width - The width of this pane in cells
  • height - The height of this pane in cells
  • pixel_width - The width of this pane in pixels
  • pixel_height - The height of this pane in pixels
  • pane - The MuxPane object

MuxPane

Since: 20220624-141144-bd1b7c5d

MuxPane represents a pane that is managed by the multiplexer.

It has the following methods:

pane:pane_id()

Returns the pane id

pane:split{}

Splits pane and spawns a program into the split, returning the MuxPane object associated with it:

local new_pane = pane:split{}

When no arguments are passed, the pane is split in half left/right and the right half has the default program spawned into it.

The following parameters are supported:

args

Specifies the argument array for the command that should be spawned. If omitted the default program for the domain will be spawned.

pane:split{args={"top"}}

cwd

Specify the current working directory that should be used for the program.

If unspecified, follows the rules from default_cwd

pane:split{cwd="/tmp"}

set_environment_variables

Sets additional environment variables in the environment for this command invocation.

pane:split{set_environment_variables={"FOO"="BAR"}}

domain

Specifies the multiplexer domain into which the program should be spawned. The default value is assumed to be "CurrentPaneDomain", which causes the default domain to be used.

You may specify the name of one of the multiplexer domains defined in your configuration using the following:

pane:split{domain={DomainName="my.name"}}

Or you may use the default domain:

pane:split{domain="DefaultDomain"}

direction

Specifies where the new pane should be placed. Possible values are:

  • "Right" - splits the pane left/right and places the new pane on the right.
  • "Left" - splits the pane left/right and places the new pane on the left.
  • "Top" - splits the pane top/bottom and places the new pane on the top.
  • "Bottom" - splits the pane top/bottom and places the new pane on the bottom.
pane:split{direction="Top"}

top_level

If true, rather than splitting pane in half, the tab that contains it is split and the new pane runs the full extent of the tab dimensions.

pane:split{direction="Bottom", top_level=true}

size

Controls the size of the new pane.

Numeric values less than 1.0 are used to express a fraction of the available space; 0.5 means 50% of the available space, for example.

Numeric values greater or equal to 1 are used to specify the number of cells.

The default value is 0.5.

This creates two additional splits within pane, creating three total splits that each occupy 1/3 of the available space:

pane:split{direction="Top", size=0.333}
pane:split{direction="Top", size=0.5}

pane:send_paste(text)

Sends text to the pane as though it was pasted. If bracketed paste mode is enabled then the text will be sent as a bracketed paste. Otherwise, it will be sent as-is.

pane:send_text(text)

Sends text to the pane as-is.

pane:window()

Since: nightly builds only

Returns the MuxWindow that contains the tab that contains this pane.

pane:tab()

Since: nightly builds only

Returns the MuxTab that contains this pane.

PaneInformation

The PaneInformation struct describes a pane. Unlike the Pane object, PaneInformation is a snapshot of some of the key characteristics of the pane, intended for use in synchronous, fast, event callbacks that format GUI elements such as the window and tab title bars.

The PaneInformation struct contains the following fields:

  • pane_id - the pane identifier number
  • pane_index - the logical position of the pane within its containing layout
  • is_active - is true if the pane is the active pane within its containing tab
  • is_zoomed - is true if the pane is in the zoomed state
  • left - the cell x coordinate of the left edge of the pane
  • top - the cell y coordinate of the top edge of the pane
  • width - the width of the pane in cells
  • height - the height of the pane in cells
  • pixel_width - the width of the pane in pixels
  • pixel_height - the height of the pane in pixels
  • title - the title of the pane, per pane:get_title() at the time the pane information was captured
  • user_vars - the user variables defined for the pane, per pane:get_user_vars() at the time the pane information was captured.

Since: 20220101-133340-7edc5b5a

Additional fields are available; note that accessing these may not be cheap to compute and may slow down wezterm. Unlike the fields listed above, these are not pre-computed snapshots of information, so if you don't use them, you won't pay the cost of computing them.

This example places the executable name in the tab titles:

local wezterm = require 'wezterm'

-- Equivalent to POSIX basename(3)
-- Given "/foo/bar" returns "bar"
-- Given "c:\\foo\\bar" returns "bar"
function basename(s)
  return string.gsub(s, "(.*[/\\])(.*)", "%2")
end

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)
  local pane = tab.active_pane
  local title = basename(pane.foreground_process_name) .. " " .. pane.pane_id
  local color = "navy"
  if tab.is_active then
    color = "blue"
  end
  return {
    {Background={Color=color}},
    {Text=" " .. title .. " "},
  }
end)

return {
}

Since: 20220319-142410-0fcdea07

The has_unseen_output field returns true if the there has been output in the pane since the last time it was focused.

This example shows how to use this event to change the color of the tab in the tab bar when there is unseen output.

local wezterm = require 'wezterm'

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)
  if tab.is_active then
    return {
      {Background={Color="blue"}},
      {Text=" " .. tab.active_pane.title .. " "},
    }
  end
  local has_unseen_output = false
  for _, pane in ipairs(tab.panes) do
    if pane.has_unseen_output then
      has_unseen_output = true
      break;
    end
  end
  if has_unseen_output then
    return {
      {Background={Color="Orange"}},
      {Text=" " .. tab.active_pane.title .. " "},
    }
  end
  return tab.active_pane.title
end)

return {
}

Since: 20220624-141144-bd1b7c5d

The domain_name field returns the name of the domain with which the pane is associated.

This example shows the domain name of the active pane appended to the tab title:

local wezterm = require 'wezterm'

wezterm.on('format-tab-title', function(tab)
  local pane = tab.active_pane
  local title = pane.title
  if pane.domain_name then
    title = title .. ' - (' .. pane.domain_name .. ')'
  end
  return title
end)

return {
}

TabInformation

The TabInformation struct describes a tab. TabInformation is purely a snapshot of some of the key characteristics of the tab, intended for use in synchronous, fast, event callbacks that format GUI elements such as the window and tab title bars.

The TabInformation struct contains the following fields:

  • tab_id - the identifier for the tab
  • tab_index - the logical tab position within its containing window, with 0 indicating the leftmost tab
  • is_active - is true if this tab is the active tab
  • active_pane - the PaneInformation for the active pane in this tab
  • window_id - the ID of the window that contains this tab (Since: nightly builds only)
  • window_title - the title of the window that contains this tab (Since: nightly builds only)
  • tab_title - the title of the tab (Since: nightly builds only)

SshDomain

The SshDomain struct specifies information about an individual SSH Domain.

It is a lua object with the following fields:

{
    -- The name of this specific domain.  Must be unique amongst
    -- all types of domain in the configuration file.
    name = "my.server",

    -- identifies the host:port pair of the remote server
    -- Can be a DNS name or an IP address with an optional
    -- ":port" on the end.
    remote_address = "192.168.1.1",

    -- Whether agent auth should be disabled.
    -- Set to true to disable it.
    -- no_agent_auth = false,

    -- The username to use for authenticating with the remote host
    username = "yourusername",

    -- If true, connect to this domain automatically at startup
    -- connect_automatically = true,

    -- Specify an alternative read timeout
    -- timeout = 60,

    -- The path to the wezterm binary on the remote host.
    -- Primarily useful if it isn't installed in the $PATH
    -- that is configure for ssh.
    -- remote_wezterm_path = "/home/yourusername/bin/wezterm"
}

Since: 20220101-133340-7edc5b5a

You may now specify a table with ssh config overrides:

return {
  ssh_domains = {
    {
      name = "my.server",
      remote_address = "192.168.1.1",
      ssh_option = {
        identityfile = "/path/to/id_rsa.pub",
      }
    }
  }
}

Since: 20220319-142410-0fcdea07

You may now specify the type of multiplexing used by an ssh domain. The following values are possible:

  • "WezTerm" - this is the default; use wezterm's multiplexing client. Having wezterm installed on the server is required to use this mode.
  • "None" - don't use any multiplexing. The connection is an ssh connection using the same mechanism as is used by wezterm ssh; losing connectivity will lose any panes/tabs. This mode of operation is convenient when using SSH to connect automatically into eg: a locally hosted WSL instance, together with the default_domain option.

A new assume_shell option, when coupled with multiplexing = "None", allows wezterm to assume that the remote host uses a specific shell command language dialect, which in turn allows wezterm to respect the current working directory as set by OSC 7 / Shell Integration on the remote host when spawning new panes and tabs. The following values are recognized for assume_shell:

  • "Unknown" - this is the default. We can't make any assumptions about the remote shell.
  • "Posix" - the remote host uses a POSIX/Bourne Shell compatible environment that allows the syntax env -c DIR ENV1=VAL1 ENV2=VAL2 CMD and env -c DIR ENV1=VAL1 ENV2=VAL2 $SHELL.
return {
  ssh_domains = {
    {
      name = "my.server",
      remote_address = "192.168.1.1",
      multiplexing = "None",

      -- When multiplexing == "None", default_prog can be used
      -- to specify the default program to run in new tabs/panes.
      -- Due to the way that ssh works, you cannot specify default_cwd,
      -- but you could instead change your default_prog to put you
      -- in a specific directory.
      default_prog = {"fish"},

      -- assume that we can use syntax like:
      -- "env -C /some/where $SHELL"
      -- using whatever the default command shell is on this
      -- remote host, so that shell integration will respect
      -- the current directory on the remote host.
      assume_shell = "Posix",
    }
  },

  default_domain = "my.server",
}

You may now specify the round-trip latency threshold for enabling predictive local echo using local_echo_threshold_ms. If the measured round-trip latency between the wezterm client and the server exceeds the specified threshold, the client will attempt to predict the server's response to key events and echo the result of that prediction locally without waiting, hence hiding latency to the user. This option only applies when multiplexing = "WezTerm".

return {
  ssh_domains = {
    {
      name = "my.server",
      remote_address = "192.168.1.1",
      local_echo_threshold_ms = 10,
    }
  },
}

SpawnCommand

The SpawnCommand struct specifies information about a new command to be spawned.

It is a lua object with the following fields; all of the fields have reasonable defaults and can be omitted.

{
  -- An optional label.
  -- The label is only used for SpawnCommands that are listed in
  -- the `launch_menu` configuration section.
  -- If the label is omitted, a default will be produced based
  -- on the `args` field.
  label = "List all the files!",

  -- The argument array specifying the command and its arguments.
  -- If omitted, the default program for the target domain will be
  -- spawned.
  args = {"ls", "-al"},

  -- The current working directory to set for the command.
  -- If omitted, wezterm will infer a value based on the active pane
  -- at the time this action is triggered.  If the active pane
  -- matches the domain specified in this `SpawnCommand` instance
  -- then the current working directory of the active pane will be
  -- used.
  -- If the current working directory cannot be inferred then it
  -- will typically fall back to using the home directory of
  -- the current user.
  cwd = "/some/path",

  -- Sets addditional environment variables in the environment for
  -- this command invocation.
  set_environment_variables = {
    SOMETHING = "a value"
  },

  -- Specifiy that the multiplexer domain of the currently active pane
  -- should be used to start this process.  This is usually what you
  -- want to happen and this is the default behavior if you omit
  -- the domain.
  domain = "CurrentPaneDomain",

  -- Specify that the default multiplexer domain be used for this
  -- command invocation.  The default domain is typically the "local"
  -- domain, which spawns processes locally.  However, if you started
  -- wezterm using `wezterm connect` or `wezterm serial` then the default
  -- domain will not be "local".
  domain = "DefaultDomain",

  -- Specify a named multiplexer domain that should be used to spawn
  -- this new command.
  -- This is useful if you want to assign a hotkey to always start
  -- a process in a remote multiplexer rather than based on the
  -- current pane.
  -- See the Multiplexing section of the docs for more on this topic.
  domain = {DomainName="my.server"},
}

TlsDomainClient

The TlsDomainClient struct specifies information about how to connect to a TLS Domain.

It is a lua object with the following fields:

{
    -- The name of this specific domain.  Must be unique amongst
    -- all types of domain in the configuration file.
    name = "server.name",

    -- If set, use ssh to connect, start the server, and obtain
    -- a certificate.
    -- The value is "user@host:port", just like "wezterm ssh" accepts.
    bootstrap_via_ssh = "server.hostname",

    -- identifies the host:port pair of the remote server.
    remote_address = "server.hostname:8080",

    -- the path to an x509 PEM encoded private key file.
    -- Omit this if you are using `bootstrap_via_ssh`.
    -- pem_private_key = "/some/path/key.pem",

    -- the path to an x509 PEM encoded certificate file
    -- Omit this if you are using `bootstrap_via_ssh`.
    -- pem_cert = "/some/path/cert.pem",

    -- the path to an x509 PEM encoded CA chain file
    -- Omit this if you are using `bootstrap_via_ssh`.
    -- pem_ca = "/some/path/ca.pem",

    -- A set of paths to load additional CA certificates.
    -- Each entry can be either the path to a directory or to a PEM encoded
    -- CA file.  If an entry is a directory, then its contents will be
    -- loaded as CA certs and added to the trust store.
    -- Omit this if you are using `bootstrap_via_ssh`.
    -- pem_root_certs = { "/some/path/ca1.pem", "/some/path/ca2.pem" },

    -- explicitly control whether the client checks that the certificate
    -- presented by the server matches the hostname portion of
    -- `remote_address`.  The default is true.  This option is made
    -- available for troubleshooting purposes and should not be used outside
    -- of a controlled environment as it weakens the security of the TLS
    -- channel.
    -- accept_invalid_hostnames = false,

    -- the hostname string that we expect to match against the common name
    -- field in the certificate presented by the server.  This defaults to
    -- the hostname portion of the `remote_address` configuration and you
    -- should not normally need to override this value.
    -- expected_cn = "other.name",

    -- If true, connect to this domain automatically at startup
    -- connect_automatically = false,

    -- Specify an alternate read timeout
    -- read_timeout = 60,

    -- Specify an alternate write timeout
    -- write_timeout = 60,

    -- The path to the wezterm binary on the remote host
    -- remote_wezterm_path = "/home/myname/bin/wezterm"
}

Since: 20220319-142410-0fcdea07

You may now specify the round-trip latency threshold for enabling predictive local echo using local_echo_threshold_ms. If the measured round-trip latency between the wezterm client and the server exceeds the specified threshold, the client will attempt to predict the server's response to key events and echo the result of that prediction locally without waiting, hence hiding latency to the user. This option only applies when multiplexing = "WezTerm".

return {
  tls_domains = {
    {
      name = "server,name",
      bootstrap_via_ssh = "server.hostname",
      remote_address = "server.hostname:8080",
      local_echo_threshold_ms = 10,
    }
  },
}

TlsDomainServer

The TlsDomainServer struct specifies information about how to define the server side of a TLS Domain.

It is a lua object with the following fields:

{
    -- The address:port combination on which the server will listen
    -- for client connections
    bind_address = "server.hostname:8080",

    -- the path to an x509 PEM encoded private key file.
    -- You can omit this if your tls_client is using bootstrap_via_ssh.
    -- pem_private_key = "/path/to/key.pem",

    -- the path to an x509 PEM encoded certificate file.
    -- You can omit this if your tls_client is using bootstrap_via_ssh.
    -- pem_cert = "/path/to/cert.pem",

    -- the path to an x509 PEM encoded CA chain file.
    -- You can omit this if your tls_client is using bootstrap_via_ssh.
    -- pem_ca = "/path/to/chain.pem",

    -- A set of paths to load additional CA certificates.
    -- Each entry can be either the path to a directory
    -- or to a PEM encoded CA file.  If an entry is a directory,
    -- then its contents will be loaded as CA certs and added
    -- to the trust store.
    -- You can omit this if your tls_client is using bootstrap_via_ssh.
    -- pem_root_certs = { "/some/path/ca1.pem", "/some/path/ca2.pem" },
}

Pane object

A Pane object cannot be created in lua code; it is typically passed to your code via an event callback. A Pane object is a handle to a live instance of a Pane that is known to the wezterm process. A Pane object tracks the psuedo terminal (or real serial terminal) and associated process(es) and the parsed screen and scrollback.

A Pane object can be used to send input to the associated processes and introspect the state of the terminal emulation for that pane.

Available methods

pane:get_current_working_dir()

Since: 20201031-154415-9614e117

Returns the current working directory of the pane, if known. The current directory can be specified by an application sending OSC 7.

If OSC 7 was never sent to a pane, and the pane represents a locally spawned process, then wezterm will:

  • On Unix systems, determie the process group leader attached to the PTY
  • On Windows systems, use heuristics to infer an equivalent to the foreground process

With the process identified, wezterm will then try to determine the current working directory using operating system dependent code:

OSSupported?
macOSYes, Since: 20201031-154415-9614e117
LinuxYes, Since: 20201031-154415-9614e117
WindowsYes, Since: 20220101-133340-7edc5b5a

If the current working directory is not known then this method returns nil. Otherwise, it returns the current working directory as a URI string.

pane:get_cursor_position()

Since: 20201031-154415-9614e117

Returns a lua representation of the StableCursorPosition struct that identifies the cursor position, visibility and shape.

It has the following fields:

  • x the horizontal cell index
  • y the vertical stable row index
  • shape the CursorShape enum value
  • visibility the CursorVisibility enum value

pane:get_dimensions()

Since: 20201031-154415-9614e117

Returns a lua representation of the RenderableDimensions struct that identifies the dimensions and position of the viewport as well as the scrollback for the pane.

It has the following fields:

  • cols the number of columns
  • viewport_rows the number of vertical cells in the visible portion of the window
  • scrollback_rows the total number of lines in the scrollback and viewport
  • physical_top the top of the physical non-scrollback screen expressed as a stable index.
  • scrollback_top the top of the scrollback; the earliest row remembered by wezterm.

pane:get_domain_name()

Since: 20220624-141144-bd1b7c5d

Returns the name of the domain with which the pane is associated.

pane:get_foreground_process_info()

Since: 20220624-141144-bd1b7c5d

Returns a LocalProcessInfo object corresponding to the current foreground process that is running in the pane.

This method has some restrictions and caveats:

  • This information is only available for local panes. Multiplexer panes do not report this information. Similarly, if you are using eg: ssh to connect to a remote host, you won't be able to access the name of the remote process that is running.
  • On unix systems, the process group leader (the foreground process) will be queried, but that concept doesn't exist on Windows, so instead, the process tree of the originally spawned program is examined, and the most recently spawned descendant is assumed to be the foreground process
  • On Linux, macOS and Windows, the process can be queried to determine this path. Other operating systems (notably, FreeBSD and other unix systems) are not currently supported
  • Querying the path may fail for a variety of reasons outside of the control of WezTerm
  • Querying process information has some runtime overhead, which may cause wezterm to slow down if over-used.

If the process cannot be determined then this method returns nil.

This example sets the right status to show the process id and executable path:

local wezterm = require 'wezterm'

-- Equivalent to POSIX basename(3)
-- Given "/foo/bar" returns "bar"
-- Given "c:\\foo\\bar" returns "bar"
function basename(s)
  return string.gsub(s, "(.*[/\\])(.*)", "%2")
end

wezterm.on("update-right-status", function(window, pane)
  local info = pane:get_foreground_process_info()
  if info then
    window:set_right_status(tostring(info.pid) .. " " .. basename(info.executable))
  else
    window:set_right_status("")
  end
end)

return {
}

pane:get_foreground_process_name()

Since: 20220101-133340-7edc5b5a

Returns the path to the executable image for the pane.

This method has some restrictions and caveats:

  • This information is only available for local panes. Multiplexer panes do not report this information. Similarly, if you are using eg: ssh to connect to a remote host, you won't be able to access the name of the remote process that is running.
  • On unix systems, the process group leader (the foreground process) will be queried, but that concept doesn't exist on Windows, so instead, the process tree of the originally spawned program is examined, and the most recently spawned descendant is assumed to be the foreground process
  • On Linux, macOS and Windows, the process can be queried to determine this path. Other operating systems (notably, FreeBSD and other unix systems) are not currently supported
  • Querying the path may fail for a variety of reasons outside of the control of WezTerm
  • Querying process information has some runtime overhead, which may cause wezterm to slow down if over-used.

If the path is not known then this method returns nil.

This example sets the right status to the executable path:

local wezterm = require 'wezterm'

-- Equivalent to POSIX basename(3)
-- Given "/foo/bar" returns "bar"
-- Given "c:\\foo\\bar" returns "bar"
function basename(s)
  return string.gsub(s, "(.*[/\\])(.*)", "%2")
end

wezterm.on("update-right-status", function(window, pane)
  window:set_right_status(basename(pane:get_foreground_process_name()))
end)

return {
}

See also: get_foreground_process_info

pane:get_lines_as_text([nlines])

Since: 20201031-154415-9614e117

Returns the textual representation (not including color or other attributes) of the physical lines of text in the viewport as a string.

A physical line is a possibly-wrapped line that composes a row in the terminal display matrix. If you'd rather operate on logical lines, see pane:get_logical_lines_as_text.

If the optional nlines argument is specified then it is used to determine how many lines of text should be retrieved. The default (if nlines is not specified) is to retrieve the number of lines in the viewport (the height of the pane).

The lines have trailing space removed from each line. The lines will be joined together in the returned string separated by a \n character. Trailing blank lines are stripped, which may result in fewer lines being returned than you might expect if the pane only had a couple of lines of output.

pane:get_logical_lines_as_text([nlines])

Since: 20220101-133340-7edc5b5a

Returns the textual representation (not including color or other attributes) of the logical lines of text in the viewport as a string.

A logical line is an original input line prior to being wrapped into physical lines to composes rows in the terminal display matrix. WezTerm doesn't store logical lines, but can recompute them from metadata stored in physical lines. Excessively long logical lines are force-wrapped to constrain the cost of rewrapping on resize and selection operations.

If you'd rather operate on physical lines, see pane:get_lines_as_text.

If the optional nlines argument is specified then it is used to determine how many lines of text should be retrieved. The default (if nlines is not specified) is to retrieve the number of lines in the viewport (the height of the pane).

The lines have trailing space removed from each line. The lines will be joined together in the returned string separated by a \n character. Trailing blank lines are stripped, which may result in fewer lines being returned than you might expect if the pane only had a couple of lines of output.

pane:get_title()

Since: 20201031-154415-9614e117

Returns the title of the pane. This will typically be wezterm by default but can be modified by applications that send OSC 1 (Icon/Tab title changing) and/or OSC 2 (Window title changing) escape sequences.

The value returned by this method is the same as that used to display the tab title if this pane were the only pane in the tab; if OSC 1 was used to set a non-empty string then that string will be returned. Otherwise the value for OSC 2 will be returned.

Note that on Microsoft Windows the default behavior of the OS level PTY is to implicitly send OSC 2 sequences to the terminal as new programs attach to the console.

pane:get_user_vars()

Since: 20210502-130208-bff6815d

Returns a table holding the user variables that have been assigned to this pane.

User variables are set using an escape sequence defined by iterm2, but also recognized by wezterm; this example sets the foo user variable to the value bar:

printf "\033]1337;SetUserVar=%s=%s\007" foo `echo -n bar | base64`

you're then able to access this in your wezterm config:

wezterm.log_info("foo var is " .. pane:get_user_vars().foo)

pane:has_unseen_output()

Since: 20220319-142410-0fcdea07

Returns true if there has been output in the pane since the last time the time the pane was focused.

See also PaneInformation.has_unseen_output for an example using equivalent information to color tabs based on this state.

pane:mux_pane()

Since: nightly builds only

Returns the MuxPane representation of this pane.

pane:pane_id()

Since: 20201031-154415-9614e117

Returns the id number for the pane. The Id is used to identify the pane within the internal multiplexer and can be used when making API calls via wezterm cli to indicate the subject of manipulation.

pane:paste(text)

Since: 20201031-154415-9614e117

Sends the supplied text string to the input of the pane as if it were pasted from the clipboard, except that the clipboard is not involved.

If the terminal attached to the pane is set to bracketed paste mode then the text will be sent as a bracketed paste.

Otherwise the string will be streamed into the input in chunks of approximately 1KB each.

Window object

A Window object cannot be created in lua code; it is typically passed to your code via an event callback. A Window object is a handle to a GUI TermWindow running in the wezterm process.

Available methods

window:active_key_table()

Since: 20220408-101518-b908e2dd

Returns a string holding the top of the current key table activation stack, or nil if the stack is empty.

See Key Tables for a detailed example.

window:active_workspace()

Since: 20220319-142410-0fcdea07

Returns the name of the active workspace.

This example demonstrates using the launcher menu to select and create workspaces, and how the workspace can be shown in the right status area.

local wezterm = require 'wezterm'

wezterm.on("update-right-status", function(window, pane)
  window:set_right_status(window:active_workspace())
end)

return {
  keys = {
    {key="9", mods="ALT", action=wezterm.action.ShowLauncherArgs{flags="FUZZY|WORKSPACES"}},
  },
}

window:composition_status()

Since: 20220319-142410-0fcdea07

Returns a string holding the current dead key or IME composition text, or nil if the input layer is not in a composition state.

This is the same text that is shown at the cursor position when composing.

This example shows how to show the composition status in the status area. The cursor color is also changed to orange when in this state.

local wezterm = require 'wezterm';

wezterm.on("update-right-status", function(window, pane)
  local compose = window:composition_status()
  if compose then
    compose = "COMPOSING: " .. compose
  end
  window:set_right_status(compose or "")
end);

return {
  colors = {
    compose_cursor = "orange",
  },
}

See also: window:leader_is_active().

window:copy_to_clipboard(text [,clipboard])

Since: nightly builds only

Puts text into the specified clipboard.

Clipboard can be one of:

  • "Clipboard" - the system clipboard
  • "PrimarySelection" - the primary selection buffer (applicable to X11 and some Wayland systems only)
  • "ClipboardAndPrimarySelection" - both the system clipboard and the primary selection. This is the default if you don't specify the clipboard.

Note that updating the clipboard is asynchronous; this method will return immediately while the clipboard is updated a few moments later in another thread. If you need to ensure that the published text is visible to other applications before you trigger some other action in your lua code then you may need to add a short sleep to allow for that to complete.

window:copy_to_clipboard("put this text in the clipboard and primary selection!")

window:copy_to_clipboard("put me in the clipboard only", "Clipboard")

window:copy_to_clipboard("put me in the primary selection", "PrimarySelection")

window:effective_config()

Since: 20210314-114017-04b7cedd

Returns a lua table representing the effective configuration for the Window. The table is in the same format as that used to specify the config in the wezterm.lua file, but represents the fully-populated state of the configuration, including any CLI or per-window configuration overrides.

Note: changing the config table will NOT change the effective window config; it is just a copy of that information.

If you want to change the configuration in a window, look at set_config_overrides.

This example will log the configured font size when CTRL-SHIFT-E is pressed:

local wezterm = require'wezterm'

wezterm.on("show-font-size", function(window, pane)
  wezterm.log_error(window:effective_config().font_size);
end)

return {
  keys = {
    {key="E", mods="CTRL", action=wezterm.action.EmitEvent("show-font-size")},
  },
}

window:get_appearance()

Since: 20210814-124438-54e29167

This method returns the appearance of the window environment. The appearance can be one of the following 4 values:

  • "Light" - the normal appearance, with dark text on a light background
  • "Dark" - "dark mode", with predominantly dark colors and probably a lighter, lower contrasting, text color on a dark background
  • "LightHighContrast" - light mode but with high contrast colors
  • "DarkHighContrast" - dark mode but with high contrast colors

wezterm currently doesn't know how to interrogate the appearance on Wayland systems, and will always report "Light".

On macOS, X11 and Windows systems, wezterm is able to detect when the appearance has changed and will generate a window-config-reloaded event for each window.

This example configuration shows how you can have your color scheme automatically adjust to the current appearance:

local wezterm = require 'wezterm'

function scheme_for_appearance(appearance)
  if appearance:find("Dark") then
    return "Builtin Solarized Dark"
  else
    return "Builtin Solarized Light"
  end
end

wezterm.on("window-config-reloaded", function(window, pane)
  local overrides = window:get_config_overrides() or {}
  local appearance = window:get_appearance()
  local scheme = scheme_for_appearance(appearance)
  if overrides.color_scheme ~= scheme then
    overrides.color_scheme = scheme
    window:set_config_overrides(overrides)
  end
end)

return {
}

Wayland GNOME Appearance

The GNOME desktop environment provides the gsettings tool that can inform us of the selected appearance even in a Wayland session. We can substitute the call to window:get_appearance above with a call to the following function, which takes advantage of this:

function query_appearance_gnome()
  local success, stdout = wezterm.run_child_process(
    {"gsettings", "get", "org.gnome.desktop.interface", "gtk-theme"}
  )
  -- lowercase and remove whitespace
  stdout = stdout:lower():gsub("%s+", "")
  local mapping = {
     highcontrast = "LightHighContrast",
     highcontrastinverse = "DarkHighContrast",
     adwaita = "Light",
     ["adwaita-dark"] = "Dark"
  }
  local appearance = mapping[stdout]
  if appearance then
     return appearance
  end
  if stdout:find("dark") then
     return "Dark"
  end
  return "Light"
end

Since WezTerm will not fire a window-config-reloaded event on Wayland, you will instead need to listen on the update-right-status event, which will essentially poll for the appearance periodically:

local wezterm = require 'wezterm'

function scheme_for_appearance(appearance)
  if appearance:find("Dark") then
    return "Builtin Solarized Dark"
  else
    return "Builtin Solarized Light"
  end
end

wezterm.on("update-right-status", function(window, pane)
  local overrides = window:get_config_overrides() or {}
  local appearance = query_appearance_gnome()
  local scheme = scheme_for_appearance(appearance)
  if overrides.color_scheme ~= scheme then
    overrides.color_scheme = scheme
    window:set_config_overrides(overrides)
  end
end)

return {
}

window:get_config_overrides()

Since: 20210314-114017-04b7cedd

Returns a copy of the current set of configuration overrides that is in effect for the window.

See set_config_overrides for examples!

window:get_dimensions()

Since: 20210314-114017-04b7cedd

Returns a Lua table representing the dimensions for the Window.

The table has the following fields:

  • pixel_width: the width of the window in pixels
  • pixel_height: the height of the window in pixels
  • dpi: The DPI of the screen the window in on
  • is_full_screen: whether the window is in full screen mode

window:get_selection_escapes_for_pane(pane)

Since: nightly builds only

Returns the text that is currently selected within the specified pane within the specified window formatted with the escape sequences necessary to reproduce the same colors and styling .

This is the same text that window:get_selection_text_for_pane() would return, except that it includes escape sequences.

This example copies the current selection + escapes to the clipboard when CTRL+SHIFT+E is pressed:

local wezterm = require 'wezterm'

return {
  keys = {
    {key="E", mods="CTRL", action=wezterm.action_callback(function(window, pane)
      local ansi = window:get_selection_escapes_for_pane(pane);
      window:copy_to_clipboard(ansi)
    end)}
  }
}

See also: window:copy_to_clipboard().

window:get_selection_text_for_pane(pane)

Since: 20210404-112810-b63a949d

Returns the text that is currently selected within the specified pane within the specified window. This is the same text that would be copied to the clipboard if the CopyTo action were to be performed.

Why isn't this simply a method of the pane object? The reason is that the selection is an attribute of the containing window, and a given pane can potentially be mapped into multiple windows.

This example logs the current selection when a CTRL+SHIFT+E is pressed:

local wezterm = require 'wezterm';

wezterm.on("log-selection", function(window, pane)
  local sel = window:get_selection_text_for_pane(pane);
  wezterm.log_info("selection is: " .. sel)
end)

return {
  keys = {
    {key="E", mods="CTRL", action=wezterm.action.EmitEvent("log-selection")},
  }
}

wezterm:leader_is_active()

Since: 20220319-142410-0fcdea07

Returns true if the Leader Key is active in the window, or false otherwise.

This example shows LEADER in the right status area, and turns the cursor orange, when the leader is active:

local wezterm = require 'wezterm';

wezterm.on("update-right-status", function(window, pane)
  local leader = ""
  if window:leader_is_active() then
    leader = "LEADER"
  end
  window:set_right_status(leader)
end);

return {
  leader = { key="a", mods="CTRL" },
  colors = {
    compose_cursor = "orange",
  },
}

See also: window:composition_status().

window:maximize()

Since: nightly builds only

Puts the window into the maximized state.

Use window:restore() to return to the normal/non-maximized state.

window:mux_window()

Since: nightly builds only

Returns the MuxWindow representation of this window.

This method is the inverse of mux_window:gui_window.

window:perform_action(key_assignment, pane)

Since: 20201031-154415-9614e117

Performs a key assignment against the window and pane. There are a number of actions that can be performed against a pane in a window when configured via the keys and mouse configuration options.

This method allows your lua script to trigger those actions for itself.

The first parameter is a key assignment such as that returned by wezterm.action.

The second parameter is a pane object passed to your event callback.

For an example of this method in action, see wezterm.on Custom Events.

window:restore()

Since: nightly builds only

Restores the window from the maximized state.

See also: window:maximize().

window:set_config_overrides(overrides)

Since: 20210314-114017-04b7cedd

Changes the set of configuration overrides for the window. The config file is re-evaluated and any CLI overrides are applied, followed by the keys and values from the overrides parameter.

This can be used to override configuration on a per-window basis; this is only useful for options that apply to the GUI window, such as rendering the GUI.

Each call to window:set_config_overrides will emit the window-config-reloaded event for the window. If you are calling this method from inside the handler for window-config-reloaded you should take care to only call window:set_config_overrides if the actual override values have changed to avoid a loop.

In this example, a key assignment (CTRL-SHIFT-E) is used to toggle the use of ligatures in the current window:

local wezterm = require 'wezterm'

wezterm.on("toggle-ligature", function(window, pane)
  local overrides = window:get_config_overrides() or {}
  if not overrides.harfbuzz_features then
    -- If we haven't overridden it yet, then override with ligatures disabled
    overrides.harfbuzz_features =  {"calt=0", "clig=0", "liga=0"}
  else
    -- else we did already, and we should disable out override now
    overrides.harfbuzz_features = nil
  end
  window:set_config_overrides(overrides)
end)

return {
  keys = {
    {key="E", mods="CTRL", action=wezterm.action.EmitEvent("toggle-ligature")},
  },
}

In this example, a key assignment (CTRL-SHIFT-B) is used to toggle opacity for the window:

local wezterm = require 'wezterm'

wezterm.on("toggle-opacity", function(window, pane)
  local overrides = window:get_config_overrides() or {}
  if not overrides.window_background_opacity then
    overrides.window_background_opacity = 0.5;
  else
    overrides.window_background_opacity = nil
  end
  window:set_config_overrides(overrides)
end)

return {
  keys = {
    {key="B", mods="CTRL", action=wezterm.action.EmitEvent("toggle-opacity")},
  },
}

window:set_inner_size(width, height)

Since: nightly builds only

Resizes the inner portion of the window (excluding any window decorations) to the specified width and height.

window:set_position(x, y)

Since: nightly builds only

Repositions the top-left corner of the window to the specified x, y coordinates.

Note that Wayland does not allow applications to directly control their window placement, so this method has no effect on Wayland.

window:set_right_status(string)

Since: 20210314-114017-04b7cedd

This method can be used to change the content that is displayed in the tab bar, to the right of the tabs and new tab button. The content is displayed right-aligned and will be clipped from the left edge to fit in the available space.

The parameter is a string that can contain escape sequences that change presentation.

It is recommended that you use wezterm.format to compose the string.

Here's a basic example that displays the time in the status area:

Demonstrating setting the right status area to the current date and time

local wezterm = require 'wezterm';

wezterm.on("update-right-status", function(window, pane)
  local date = wezterm.strftime("%Y-%m-%d %H:%M:%S");

  -- Make it italic and underlined
  window:set_right_status(wezterm.format({
    {Attribute={Underline="Single"}},
    {Attribute={Italic=true}},
    {Text="Hello "..date},
  }));
end);

return {}

Here's a rather more elaborate example that employs the popular PowerLine glyphs to show a visually appealing status area. It also extracts the current working directory and hostname from the current pane. That way it can potentially pick up the remote hostname if your remote shell session is using OSC 7 shell integration.

Demonstrating setting the right status area with powerline styling

wezterm.on("update-right-status", function(window, pane)
  -- Each element holds the text for a cell in a "powerline" style << fade
  local cells = {};

  -- Figure out the cwd and host of the current pane.
  -- This will pick up the hostname for the remote host if your
  -- shell is using OSC 7 on the remote host.
  local cwd_uri = pane:get_current_working_dir()
  if cwd_uri then
    cwd_uri = cwd_uri:sub(8);
    local slash = cwd_uri:find("/")
    local cwd = ""
    local hostname = ""
    if slash then
      hostname = cwd_uri:sub(1, slash-1)
      -- Remove the domain name portion of the hostname
      local dot = hostname:find("[.]")
      if dot then
        hostname = hostname:sub(1, dot-1)
      end
      -- and extract the cwd from the uri
      cwd = cwd_uri:sub(slash)

      table.insert(cells, cwd);
      table.insert(cells, hostname);
    end
  end

  -- I like my date/time in this style: "Wed Mar 3 08:14"
  local date = wezterm.strftime("%a %b %-d %H:%M");
  table.insert(cells, date);

  -- An entry for each battery (typically 0 or 1 battery)
  for _, b in ipairs(wezterm.battery_info()) do
    table.insert(cells, string.format("%.0f%%", b.state_of_charge * 100))
  end

  -- The powerline < symbol
  local LEFT_ARROW = utf8.char(0xe0b3);
  -- The filled in variant of the < symbol
  local SOLID_LEFT_ARROW = utf8.char(0xe0b2)

  -- Color palette for the backgrounds of each cell
  local colors = {
    "#3c1361",
    "#52307c",
    "#663a82",
    "#7c5295",
    "#b491c8",
  };

  -- Foreground color for the text across the fade
  local text_fg = "#c0c0c0";

  -- The elements to be formatted
  local elements = {};
  -- How many cells have been formatted
  local num_cells = 0;

  -- Translate a cell into elements
  function push(text, is_last)
    local cell_no = num_cells + 1
    table.insert(elements, {Foreground={Color=text_fg}})
    table.insert(elements, {Background={Color=colors[cell_no]}})
    table.insert(elements, {Text=" "..text.." "})
    if not is_last then
      table.insert(elements, {Foreground={Color=colors[cell_no+1]}})
      table.insert(elements, {Text=SOLID_LEFT_ARROW})
    end
    num_cells = num_cells + 1
  end

  while #cells > 0 do
    local cell = table.remove(cells, 1)
    push(cell, #cells == 0)
  end

  window:set_right_status(wezterm.format(elements));
end);

window:toast_notification(title, message, [url, [timeout_milliseconds]])

Since: 20210502-154244-3f7122cb

Generates a desktop "toast notification" with the specified title and message.

An optional url parameter can be provided; clicking on the notification will open that URL.

An optional timeout parameter can be provided; if so, it specifies how long the notification will remain prominently displayed in milliseconds. To specify a timeout without specifying a url, set the url parameter to nil. The timeout you specify may not be respected by the system, particularly in X11/Wayland environments, and Windows will always use a fixed, unspecified, duration.

The notification will persist on screen until dismissed or clicked, or until its timeout duration elapses.

This example will display a notification whenever a window has its configuration reloaded. The notification should remain on-screen for approximately 4 seconds (4000 milliseconds), but may remain longer depending on the system.

It's not an ideal implementation because there may be multiple windows and thus multiple notifications:

local wezterm = require 'wezterm'

wezterm.on("window-config-reloaded", function(window, pane)
  window:toast_notification("wezterm", "configuration reloaded!", nil, 4000)
end)

return {}

window:toggle_fullscreen()

Since: nightly builds only

Toggles full screen mode for the window.

window:window_id()

Since: 20201031-154415-9614e117

Returns the id number for the window. The Id is used to identify the window within the internal multiplexer and can be used when making API calls via wezterm cli to indicate the subject of manipulation.

WslDomain

Since: 20220319-142410-0fcdea07

The WslDomain struct specifies information about an individual WslDomain, which is used to tell wezterm how to interact with one of your locally installed WSL distributions.

By mapping a distribution to a multiplexing domain, wezterm is better able to support creating new tabs and panes with the same working directory as an existing tab/pane running in that same domain.

By default, wezterm creates a list of WslDomain objects based on parsing the output from wsl -l -v and assigns that as the value of the wsl_domains configuration option.

A WslDomain is a lua object with the following fields:

{
  -- The name of this specific domain.  Must be unique amonst all types
  -- of domain in the configuration file.
  name = "WSL:Ubuntu-18.04",

  -- The name of the distribution.  This identifies the WSL distribution.
  -- It must match a valid distribution from your `wsl -l -v` output in
  -- order for the domain to be useful.
  distribution = "Ubuntu-18.04",


  -- The username to use when spawning commands in the distribution.
  -- If omitted, the default user for that distribution will be used.

  -- username = "hunter",


  -- The current working directory to use when spawning commands, if
  -- the SpawnCommand doesn't otherwise specify the directory.

  -- default_cwd = "/tmp"


  -- The default command to run, if the SpawnCommand doesn't otherwise
  -- override it.  Note that you may prefer to use `chsh` to set the
  -- default shell for your user inside WSL to avoid needing to
  -- specify it here

  -- default_prog = {"fish"}
}

gui-startup

Since: 20220624-141144-bd1b7c5d

The gui-startup event is emitted once when the GUI server is starting up when running the wezterm start subcommand.

It is triggered before any default program is started.

If no explicit program was passed to wezterm start, and if the gui-startup event causes any panes to be created then those will take precedence over the default program configuration and no additional default program will be spawned.

This event is useful for starting a set of programs in a standard configuration to save you the effort of doing it manually each time.

This basic example splits an initial window into thirds:

local wezterm = require 'wezterm'
local mux = wezterm.mux

wezterm.on("gui-startup", function()
  local tab, pane, window = mux.spawn_window{}
  -- Create a split occupying the right 1/3 of the screen
  pane:split{size=0.3}
  -- Create another split in the right of the remaining 2/3
  -- of the space; the resultant split is in the middle
  -- 1/3 of the display and has the focus.
  pane:split{size=0.5}
end)

return {}

This example creates a default window but makes it maximize on startup:

local wezterm = require 'wezterm'
local mux = wezterm.mux

wezterm.on("gui-startup", function()
  local tab, pane, window = mux.spawn_window{}
  window:gui_window():maximize()
end)

return {}

Here's a more elaborate example that configures two workspaces:

local wezterm = require 'wezterm'
local mux = wezterm.mux

wezterm.on("gui-startup", function()
  -- Set a workspace for coding on a current project
  -- Top pane is for the editor, bottom pane is for the build tool
  local project_dir = wezterm.home_dir .. "/wezterm"
  local tab, build_pane, window = mux.spawn_window{
    workspace="coding",
    cwd=project_dir,
  }
  local editor_pane = build_pane:split{
    direction="Top",
    size=0.6,
    cwd=project_dir
  }
  -- may as well kick off a build in that pane
  build_pane:send_text("cargo build\n")

  -- A workspace for interacting with a local machine that
  -- runs some docker containners for home automation
  local tab, pane, window = mux.spawn_window{
    workspace="automation",
    args={"ssh", "vault"},
  }

  -- We want to startup in the coding workspace
  mux.set_active_workspace("coding")
end)

return {}

See also:

Events emitted by the Multiplexer

The following events can be handled using wezterm.on:

mux-is-process-stateful

Since: 20220101-133340-7edc5b5a

The mux-is-process-stateful event is emitted when the multiplexer layer wants to determine whether a given Pane can be closed without prompting the user.

This event is synchronous and must return as quickly as possible in order to avoid blocking the multiplexer.

The event is passed a LocalProcessInfo object representing the process that corresponds to the pane.

The hook can return one of the following values:

  • true - to indicate that this process tree is considered to be stateful and that the user should be prompted before terminating the pane
  • false - to indicate that the process tree can be terminated without prompting the user
  • nil - to use the default behavior, which is to consider the skip_close_confirmation_for_processes_named configuration option
  • any other value, or an error, will be treated as equivalent to returning nil

Example

This example doesn't change any behavior, but demonstrates how to log the various fields of process tree, indenting the entries for each level of the process hierarchy.

Since it returns nil, it uses the default behavior.

local wezterm = require 'wezterm'

function log_proc(proc, indent)
  indent = indent or ""
  wezterm.log_info(indent .. "pid=" .. proc.pid .. ", name=" .. proc.name .. ", status=" .. proc.status)
  wezterm.log_info(indent .. "argv=" .. table.concat(proc.argv, " "))
  wezterm.log_info(indent .. "executable=" .. proc.executable .. ", cwd=" .. proc.cwd)
  for pid, child in pairs(proc.children) do
    log_proc(child, indent .. "  ")
  end
end

wezterm.on("mux-is-process-stateful", function(proc)
  log_proc(proc)

  -- Just use the default behavior
  return nil
end)

return {}

Produces the following logs for a zsh that spawned bash that spawned vim foo:

INFO  config::lua > lua: pid=1913470, name=zsh, status=Sleep
INFO  config::lua > lua: argv=-zsh
INFO  config::lua > lua: executable=/usr/bin/zsh, cwd=/home/wez
INFO  config::lua > lua:   pid=1913567, name=bash, status=Sleep
INFO  config::lua > lua:   argv=bash
INFO  config::lua > lua:   executable=/usr/bin/bash, cwd=/home/wez
INFO  config::lua > lua:     pid=1913624, name=vim, status=Sleep
INFO  config::lua > lua:     argv=vim foo
INFO  config::lua > lua:     executable=/usr/bin/vim, cwd=/home/wez

mux-startup

Since: 20220624-141144-bd1b7c5d

The mux-startup event is emitted once when the mux server is starting up. It is triggered before any default program is started.

If the mux-startup event causes any panes to be created then those will take precedence over the default program configuration and no additional default program will be spawned.

This event is useful for starting a set of programs in a standard configuration to save you the effort of doing it manually each time:

local wezterm = require 'wezterm'
local mux = wezterm.mux

-- this is called by the mux server when it starts up.
-- It makes a window split top/bottom
wezterm.on("mux-startup", function()
  local tab, pane, window = mux.spawn_window{}
  pane:split{direction="Top"}
end)

return {
  unix_domains = {
    {name="unix"}
  },
}

See also:

Events emitted by the Window object

The following events can be handled using wezterm.on:

bell

Since: 20211204-082213-a66c61ee9

The bell event is emitted when the ASCII BEL sequence is emitted to a pane in the window.

Defining an event handler doesn't alter wezterm's handling of the bell; the event supplements it and allows you to take additional action over the configured behavior.

The first event parameter is a window object that represents the gui window.

The second event parameter is a pane object that represents the pane in which the bell was rung, which may not be active pane--it could be in an unfocused pane or tab..

local wezterm = require 'wezterm';

wezterm.on("bell", function(window, pane)
  wezterm.log_info("the bell was rung in pane " .. pane:pane_id() .. "!");
end)

return {}

See also audible_bell and visual_bell.

format-tab-title

Since: 20210502-130208-bff6815d

The format-tab-title event is emitted when the text for a tab title needs to be recomputed.

This event is a bit special in that it is synchronous and must return as quickly as possible in order to avoid blocking the GUI thread.

The most notable consequence of this is that some functions that are asynchronous (such as wezterm.run_child_process) are not possible to call from inside the event handler and will generate a format-tab-title: runtime error: attempt to yield from outside a coroutine error.

This example overrides the default tab title so that the background color is blue for the active tab. This is partially redundant because there is already configuration for this in tab_bar_style, but it demonstrates that it is possible to format more than just the text shown in the tab.

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)
  if tab.is_active then
    return {
      {Background={Color="blue"}},
      {Text=" " .. tab.active_pane.title .. " "},
    }
  end
  return tab.active_pane.title
end)

The parameters to the event are:

  • tab - the TabInformation for the active tab
  • tabs - an array containing TabInformation for each of the tabs in the window
  • panes - an array containing PaneInformation for each of the panes in the active tab
  • config - the effective configuration for the window
  • hover - true if the current tab is in the hover state
  • max_width - the maximum number of cells available to draw this tab when using the retro tab bar style.

The return value of the event can be:

  • a string, holding the text to use for the tab title
  • a table holding FormatItems as used in the wezterm.format function. This allows formatting style and color information for individual elements within the tab.

If the event encounters an error, or returns something that is not one of the types mentioned above, then the default tab title text will be computed and used instead.

When the tab bar is computed, this event is called twice for each tab; on the first pass, hover will be false and max_width will be set to tab_max_width. WezTerm will then compute the tab widths that will fit in the tab bar, and then call the event again for the set of tabs, this time with appropriate hover and max_width values.

Only the first format-tab-title event will be executed; it doesn't make sense to define multiple instances of the event with multiple wezterm.on("format-tab-title", ...) calls.

A more elaborate example:

local wezterm = require 'wezterm';

-- The filled in variant of the < symbol
local SOLID_LEFT_ARROW = utf8.char(0xe0b2)

-- The filled in variant of the > symbol
local SOLID_RIGHT_ARROW = utf8.char(0xe0b0)

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)
  local edge_background = "#0b0022"
  local background = "#1b1032"
  local foreground = "#808080"

  if tab.is_active then
    background = "#2b2042"
    foreground = "#c0c0c0"
  elseif hover then
    background = "#3b3052"
    foreground = "#909090"
  end

  local edge_foreground = background

  -- ensure that the titles fit in the available space,
  -- and that we have room for the edges.
  local title = wezterm.truncate_right(tab.active_pane.title, max_width-2)

  return {
    {Background={Color=edge_background}},
    {Foreground={Color=edge_foreground}},
    {Text=SOLID_LEFT_ARROW},
    {Background={Color=background}},
    {Foreground={Color=foreground}},
    {Text=title},
    {Background={Color=edge_background}},
    {Foreground={Color=edge_foreground}},
    {Text=SOLID_RIGHT_ARROW},
  }
end)

return {}

format-window-title

Since: 20210502-154244-3f7122cb

The format-window-title event is emitted when the text for the window title needs to be recomputed.

This event is a bit special in that it is synchronous and must return as quickly as possible in order to avoid blocking the GUI thread.

The most notable consequence of this is that some functions that are asynchronous (such as wezterm.run_child_process) are not possible to call from inside the event handler and will generate a format-window-title: runtime error: attempt to yield from outside a coroutine error.

This example overrides the default window title with code that is equivalent to the default processing--not very useful except as a starting point for making your own title text:

wezterm.on("format-window-title", function(tab, pane, tabs, panes, config)
  local zoomed = ""
  if tab.active_pane.is_zoomed then
    zoomed = "[Z] "
  end

  local index = ""
  if #tabs > 1 then
    index = string.format("[%d/%d] ", tab.tab_index + 1, #tabs)
  end

  return zoomed .. index .. tab.active_pane.title
end)

The parameters to the event are:

  • tab - the TabInformation for the active tab
  • pane - the PaneInformation for the active pane
  • tabs - an array containing TabInformation for each of the tabs in the window
  • panes - an array containing PaneInformation for each of the panes in the active tab
  • config - the effective configuration for the window

The return value of the event should be a string, and if it is then it will be used as the title text in the window title bar.

If the event encounters an error, or returns something that is not a string, then the default window title text will be computed and used instead.

Only the first format-window-title event will be executed; it doesn't make sense to define multiple instances of the event with multiple wezterm.on("format-window-title", ...) calls.

open-uri

The open-uri event is emitted when the CompleteSelectionOrOpenLinkAtMouseCursor key/mouse assignment is triggered.

The default action is to open the active URI in your browser, but if you register for this event you can co-opt the default behavior.

For example, if you prefer to launch your preferred MUA in a new window in response to clicking on mailto: URLs, you could do something like:

local wezterm = require "wezterm"

wezterm.on("open-uri", function(window, pane, uri)
  local start, match_end = uri:find("mailto:")
  if start == 1 then
    local recipient = uri:sub(match_end+1)
    window:perform_action(wezterm.action.SpawnCommandInNewWindow{
      args={"mutt", recipient}
    }, pane)
    -- prevent the default action from opening in a browser
    return false
  end
  -- otherwise, by not specifying a return value, we allow later
  -- handlers and ultimately the default action to caused the
  -- URI to be opened in the browser
end)

The first event parameter is a window object that represents the gui window.

The second event parameter is a pane object that represents the pane.

The third event parameter is the URI string.

update-right-status

Since: 20210314-114017-04b7cedd

The update-right-status event is emitted periodically (based on the interval specified by the status_update_interval configuration value).

There is no defined return value for the event, but its purpose is to allow you the chance to carry out some activity and then ultimately call window:set_right_status.

The first event parameter is a window object that represents the gui window.

The second event parameter is a pane object that represents the active pane in that window.

wezterm will ensure that only a single instance of this event is outstanding; if the hook takes longer than the status_update_interval to complete, wezterm won't schedule another call until status_update_interval milliseconds have elapsed since the last call completed.

window-config-reloaded

Since: 20210314-114017-04b7cedd

The window-config-reloaded event is emitted when the configuration for a window has been reloaded. This can occur when the configuration file is detected as changed (when automatically_reload_config is enabled), when the configuration is explicitly reloaded via the ReloadConfiguration key action, and when window:set_config_overrides is called for the window.

This event is fire-and-forget from the perspective of wezterm; it fires the event to advise of the config change, but has no other expectations.

If you call window:set_config_overrides from inside this event callback then an additional window-config-reloaded event will be triggered. You should take care to avoid creating a loop by only calling window:set_config_overrides when the actual override values are changed.

The first event parameter is a window object that represents the gui window.

The second event parameter is a pane object that represents the active pane in that window.

local wezterm = require 'wezterm';

wezterm.on("window-config-reloaded", function(window, pane)
  wezterm.log_info("the config was reloaded for this window!");
end)

window-resized

Since: 20210314-114017-04b7cedd

The window-resized event is emitted when the window is resized and when transitioning between full-screen and regular windowed mode.

The event is triggered asynchronously with respect to the potentially-ongoing live resize operation. wezterm will coalesce the stream of multiple events generated by a live resize such that there can be a maximum of 1 event executing and 1 event buffered.

The first event parameter is a window object that represents the gui window.

The second event parameter is a pane object that represents the active pane in that window.

This example demonstrates adjusting the window padding when going fullscreen so that the terminal content fits in the middle third of the display.

Note how care is taken to avoid calling window:set_config_overrides unless something has changed. Also note how both the window-resized and window-config-reloaded events are connected to the same recompute_padding function; that causes the padding changes to take effect both when toggling fullscreen and when editing the config file to adjust the event handling code:

local wezterm = require 'wezterm';

function recompute_padding(window)
  local window_dims = window:get_dimensions();
  local overrides = window:get_config_overrides() or {}

  if not window_dims.is_full_screen then
    if not overrides.window_padding then
      -- not changing anything
      return;
    end
    overrides.window_padding = nil;
  else
    -- Use only the middle 33%
    local third = math.floor(window_dims.pixel_width / 3)
    local new_padding = {
      left = third,
      right = third,
      top = 0,
      bottom = 0
    };
    if overrides.window_padding and new_padding.left == overrides.window_padding.left then
      -- padding is same, avoid triggering further changes
      return
    end
    overrides.window_padding = new_padding

  end
  window:set_config_overrides(overrides)
end

wezterm.on("window-resized", function(window, pane)
  recompute_padding(window)
end);

wezterm.on("window-config-reloaded", function(window)
  recompute_padding(window)
end);